{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49111", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.261Z", "datePublished": "2025-02-26T01:54:56.622Z", "dateUpdated": "2026-05-11T18:53:22.342Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:53:22.342Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix use after free in hci_send_acl\n\nThis fixes the following trace caused by receiving\nHCI_EV_DISCONN_PHY_LINK_COMPLETE which does call hci_conn_del without\nfirst checking if conn->type is in fact AMP_LINK and in case it is\ndo properly cleanup upper layers with hci_disconn_cfm:\n\n ==================================================================\n BUG: KASAN: use-after-free in hci_send_acl+0xaba/0xc50\n Read of size 8 at addr ffff88800e404818 by task bluetoothd/142\n\n CPU: 0 PID: 142 Comm: bluetoothd Not tainted\n 5.17.0-rc5-00006-gda4022eeac1a #7\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n Call Trace:\n <TASK>\n dump_stack_lvl+0x45/0x59\n print_address_description.constprop.0+0x1f/0x150\n kasan_report.cold+0x7f/0x11b\n hci_send_acl+0xaba/0xc50\n l2cap_do_send+0x23f/0x3d0\n l2cap_chan_send+0xc06/0x2cc0\n l2cap_sock_sendmsg+0x201/0x2b0\n sock_sendmsg+0xdc/0x110\n sock_write_iter+0x20f/0x370\n do_iter_readv_writev+0x343/0x690\n do_iter_write+0x132/0x640\n vfs_writev+0x198/0x570\n do_writev+0x202/0x280\n do_syscall_64+0x38/0x90\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n RSP: 002b:00007ffce8a099b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014\n Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3\n 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 14 00 00 00 0f 05\n <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10\n RDX: 0000000000000001 RSI: 00007ffce8a099e0 RDI: 0000000000000015\n RAX: ffffffffffffffda RBX: 00007ffce8a099e0 RCX: 00007f788fc3cf77\n R10: 00007ffce8af7080 R11: 0000000000000246 R12: 000055e4ccf75580\n RBP: 0000000000000015 R08: 0000000000000002 R09: 0000000000000001\n </TASK>\n R13: 000055e4ccf754a0 R14: 000055e4ccf75cd0 R15: 000055e4ccf4a6b0\n\n Allocated by task 45:\n kasan_save_stack+0x1e/0x40\n __kasan_kmalloc+0x81/0xa0\n hci_chan_create+0x9a/0x2f0\n l2cap_conn_add.part.0+0x1a/0xdc0\n l2cap_connect_cfm+0x236/0x1000\n le_conn_complete_evt+0x15a7/0x1db0\n hci_le_conn_complete_evt+0x226/0x2c0\n hci_le_meta_evt+0x247/0x450\n hci_event_packet+0x61b/0xe90\n hci_rx_work+0x4d5/0xc50\n process_one_work+0x8fb/0x15a0\n worker_thread+0x576/0x1240\n kthread+0x29d/0x340\n ret_from_fork+0x1f/0x30\n\n Freed by task 45:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n kasan_set_free_info+0x20/0x30\n __kasan_slab_free+0xfb/0x130\n kfree+0xac/0x350\n hci_conn_cleanup+0x101/0x6a0\n hci_conn_del+0x27e/0x6c0\n hci_disconn_phylink_complete_evt+0xe0/0x120\n hci_event_packet+0x812/0xe90\n hci_rx_work+0x4d5/0xc50\n process_one_work+0x8fb/0x15a0\n worker_thread+0x576/0x1240\n kthread+0x29d/0x340\n ret_from_fork+0x1f/0x30\n\n The buggy address belongs to the object at ffff88800c0f0500\n The buggy address is located 24 bytes inside of\n which belongs to the cache kmalloc-128 of size 128\n The buggy address belongs to the page:\n 128-byte region [ffff88800c0f0500, ffff88800c0f0580)\n flags: 0x100000000000200(slab|node=0|zone=1)\n page:00000000fe45cd86 refcount:1 mapcount:0\n mapping:0000000000000000 index:0x0 pfn:0xc0f0\n raw: 0000000000000000 0000000080100010 00000001ffffffff\n 0000000000000000\n raw: 0100000000000200 ffffea00003a2c80 dead000000000004\n ffff8880078418c0\n page dumped because: kasan: bad access detected\n ffff88800c0f0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc\n Memory state around the buggy address:\n >ffff88800c0f0500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ffff88800c0f0480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n ffff88800c0f0580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n \n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/hci_event.c"], "versions": [{"version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "c41de54b0a963e59e4dd04c029a4a6d73f45ef9c", "status": "affected", "versionType": "git"}, {"version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "643a6c26bd32e339d00ad97b8822b6db009e803c", "status": "affected", "versionType": "git"}, {"version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "684e505406abaeabe0058e9776f9210bf2747953", "status": "affected", "versionType": "git"}, {"version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "3803d896ddd97c7c16689a5381c0960040727647", "status": "affected", "versionType": "git"}, {"version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "2cc803804ec9a296b3156855d6c8c4ca1c6b84be", "status": "affected", "versionType": "git"}, {"version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "d404765dffdbd8dcd14758695d0c96c52fb2e624", "status": "affected", "versionType": "git"}, {"version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "4da302b90b96c309987eb9b37c8547f939f042d2", "status": "affected", "versionType": "git"}, {"version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "b3c2ea1fd444b3bb7b82bfd2c3a45418f85c2502", "status": "affected", "versionType": "git"}, {"version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "f63d24baff787e13b723d86fe036f84bdbc35045", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/hci_event.c"], "versions": [{"version": "3.8", "status": "affected"}, {"version": "0", "lessThan": "3.8", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.311", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.276", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.238", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.189", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.111", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.34", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.20", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.3", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "4.9.311"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "4.14.276"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "4.19.238"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "5.4.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "5.10.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "5.15.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "5.16.20"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "5.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "5.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c41de54b0a963e59e4dd04c029a4a6d73f45ef9c"}, {"url": "https://git.kernel.org/stable/c/643a6c26bd32e339d00ad97b8822b6db009e803c"}, {"url": "https://git.kernel.org/stable/c/684e505406abaeabe0058e9776f9210bf2747953"}, {"url": "https://git.kernel.org/stable/c/3803d896ddd97c7c16689a5381c0960040727647"}, {"url": "https://git.kernel.org/stable/c/2cc803804ec9a296b3156855d6c8c4ca1c6b84be"}, {"url": "https://git.kernel.org/stable/c/d404765dffdbd8dcd14758695d0c96c52fb2e624"}, {"url": "https://git.kernel.org/stable/c/4da302b90b96c309987eb9b37c8547f939f042d2"}, {"url": "https://git.kernel.org/stable/c/b3c2ea1fd444b3bb7b82bfd2c3a45418f85c2502"}, {"url": "https://git.kernel.org/stable/c/f63d24baff787e13b723d86fe036f84bdbc35045"}], "title": "Bluetooth: Fix use after free in hci_send_acl", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-49111", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-27T18:17:22.265818Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-27T18:22:35.037Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-49111", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-27T18:17:22.265818Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-27T18:17:23.563Z"}}], "cna": {"title": "Bluetooth: Fix use after free in hci_send_acl", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "c41de54b0a963e59e4dd04c029a4a6d73f45ef9c", "versionType": "git"}, {"status": "affected", "version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "643a6c26bd32e339d00ad97b8822b6db009e803c", "versionType": "git"}, {"status": "affected", "version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "684e505406abaeabe0058e9776f9210bf2747953", "versionType": "git"}, {"status": "affected", "version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "3803d896ddd97c7c16689a5381c0960040727647", "versionType": "git"}, {"status": "affected", "version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "2cc803804ec9a296b3156855d6c8c4ca1c6b84be", "versionType": "git"}, {"status": "affected", "version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "d404765dffdbd8dcd14758695d0c96c52fb2e624", "versionType": "git"}, {"status": "affected", "version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "4da302b90b96c309987eb9b37c8547f939f042d2", "versionType": "git"}, {"status": "affected", "version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "b3c2ea1fd444b3bb7b82bfd2c3a45418f85c2502", "versionType": "git"}, {"status": "affected", "version": "9eef6b3a9e38d5f8ad315b2a7db153392e6a77d6", "lessThan": "f63d24baff787e13b723d86fe036f84bdbc35045", "versionType": "git"}], "programFiles": ["net/bluetooth/hci_event.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.8"}, {"status": "unaffected", "version": "0", "lessThan": "3.8", "versionType": "semver"}, {"status": "unaffected", "version": "4.9.311", "versionType": "semver", "lessThanOrEqual": "4.9.*"}, {"status": "unaffected", "version": "4.14.276", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.238", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.189", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.111", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.34", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "5.16.20", "versionType": "semver", "lessThanOrEqual": "5.16.*"}, {"status": "unaffected", "version": "5.17.3", "versionType": "semver", "lessThanOrEqual": "5.17.*"}, {"status": "unaffected", "version": "5.18", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/bluetooth/hci_event.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/c41de54b0a963e59e4dd04c029a4a6d73f45ef9c"}, {"url": "https://git.kernel.org/stable/c/643a6c26bd32e339d00ad97b8822b6db009e803c"}, {"url": "https://git.kernel.org/stable/c/684e505406abaeabe0058e9776f9210bf2747953"}, {"url": "https://git.kernel.org/stable/c/3803d896ddd97c7c16689a5381c0960040727647"}, {"url": "https://git.kernel.org/stable/c/2cc803804ec9a296b3156855d6c8c4ca1c6b84be"}, {"url": "https://git.kernel.org/stable/c/d404765dffdbd8dcd14758695d0c96c52fb2e624"}, {"url": "https://git.kernel.org/stable/c/4da302b90b96c309987eb9b37c8547f939f042d2"}, {"url": "https://git.kernel.org/stable/c/b3c2ea1fd444b3bb7b82bfd2c3a45418f85c2502"}, {"url": "https://git.kernel.org/stable/c/f63d24baff787e13b723d86fe036f84bdbc35045"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix use after free in hci_send_acl\n\nThis fixes the following trace caused by receiving\nHCI_EV_DISCONN_PHY_LINK_COMPLETE which does call hci_conn_del without\nfirst checking if conn->type is in fact AMP_LINK and in case it is\ndo properly cleanup upper layers with hci_disconn_cfm:\n\n ==================================================================\n BUG: KASAN: use-after-free in hci_send_acl+0xaba/0xc50\n Read of size 8 at addr ffff88800e404818 by task bluetoothd/142\n\n CPU: 0 PID: 142 Comm: bluetoothd Not tainted\n 5.17.0-rc5-00006-gda4022eeac1a #7\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n Call Trace:\n <TASK>\n dump_stack_lvl+0x45/0x59\n print_address_description.constprop.0+0x1f/0x150\n kasan_report.cold+0x7f/0x11b\n hci_send_acl+0xaba/0xc50\n l2cap_do_send+0x23f/0x3d0\n l2cap_chan_send+0xc06/0x2cc0\n l2cap_sock_sendmsg+0x201/0x2b0\n sock_sendmsg+0xdc/0x110\n sock_write_iter+0x20f/0x370\n do_iter_readv_writev+0x343/0x690\n do_iter_write+0x132/0x640\n vfs_writev+0x198/0x570\n do_writev+0x202/0x280\n do_syscall_64+0x38/0x90\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n RSP: 002b:00007ffce8a099b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014\n Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3\n 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 14 00 00 00 0f 05\n <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10\n RDX: 0000000000000001 RSI: 00007ffce8a099e0 RDI: 0000000000000015\n RAX: ffffffffffffffda RBX: 00007ffce8a099e0 RCX: 00007f788fc3cf77\n R10: 00007ffce8af7080 R11: 0000000000000246 R12: 000055e4ccf75580\n RBP: 0000000000000015 R08: 0000000000000002 R09: 0000000000000001\n </TASK>\n R13: 000055e4ccf754a0 R14: 000055e4ccf75cd0 R15: 000055e4ccf4a6b0\n\n Allocated by task 45:\n kasan_save_stack+0x1e/0x40\n __kasan_kmalloc+0x81/0xa0\n hci_chan_create+0x9a/0x2f0\n l2cap_conn_add.part.0+0x1a/0xdc0\n l2cap_connect_cfm+0x236/0x1000\n le_conn_complete_evt+0x15a7/0x1db0\n hci_le_conn_complete_evt+0x226/0x2c0\n hci_le_meta_evt+0x247/0x450\n hci_event_packet+0x61b/0xe90\n hci_rx_work+0x4d5/0xc50\n process_one_work+0x8fb/0x15a0\n worker_thread+0x576/0x1240\n kthread+0x29d/0x340\n ret_from_fork+0x1f/0x30\n\n Freed by task 45:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n kasan_set_free_info+0x20/0x30\n __kasan_slab_free+0xfb/0x130\n kfree+0xac/0x350\n hci_conn_cleanup+0x101/0x6a0\n hci_conn_del+0x27e/0x6c0\n hci_disconn_phylink_complete_evt+0xe0/0x120\n hci_event_packet+0x812/0xe90\n hci_rx_work+0x4d5/0xc50\n process_one_work+0x8fb/0x15a0\n worker_thread+0x576/0x1240\n kthread+0x29d/0x340\n ret_from_fork+0x1f/0x30\n\n The buggy address belongs to the object at ffff88800c0f0500\n The buggy address is located 24 bytes inside of\n which belongs to the cache kmalloc-128 of size 128\n The buggy address belongs to the page:\n 128-byte region [ffff88800c0f0500, ffff88800c0f0580)\n flags: 0x100000000000200(slab|node=0|zone=1)\n page:00000000fe45cd86 refcount:1 mapcount:0\n mapping:0000000000000000 index:0x0 pfn:0xc0f0\n raw: 0000000000000000 0000000080100010 00000001ffffffff\n 0000000000000000\n raw: 0100000000000200 ffffea00003a2c80 dead000000000004\n ffff8880078418c0\n page dumped because: kasan: bad access detected\n ffff88800c0f0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc\n Memory state around the buggy address:\n >ffff88800c0f0500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ffff88800c0f0480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n ffff88800c0f0580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n \n---truncated---"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.9.311", "versionStartIncluding": "3.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.276", "versionStartIncluding": "3.8"}, {"criteria": 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"versionStartIncluding": "3.8"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:53:22.342Z"}}}, "cveMetadata": {"cveId": "CVE-2022-49111", "state": "PUBLISHED", "dateUpdated": "2026-05-11T18:53:22.342Z", "dateReserved": "2025-02-26T01:49:39.261Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-02-26T01:54:56.622Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C86EFD13-93D4-4385-83E8-C665BE8F570F", "versionEndExcluding": "4.9.311", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D9B028C-6313-47F9-94B7-5F8122345E49", "versionEndExcluding": "4.14.276", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA28527A-11D3-41D2-9C4C-ECAC0D6A4A2D", "versionEndExcluding": "4.19.238", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CB6E8F5-C2B1-46F3-A807-0F6104AC340F", "versionEndExcluding": "5.4.189", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "96258501-7BCE-4C55-8A38-8AC9D327626D", "versionEndExcluding": "5.10.111", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D25878D3-7761-4E9F-8919-E92CD53896E0", "versionEndExcluding": "5.15.34", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "ABBBA66E-0244-4621-966B-9790AF1EEB00", "versionEndExcluding": "5.16.20", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AE420AC7-1E59-4398-B84F-71F4B4337762", "versionEndExcluding": "5.17.3", "versionStartIncluding": "5.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix use after free in hci_send_acl\n\nThis fixes the following trace caused by receiving\nHCI_EV_DISCONN_PHY_LINK_COMPLETE which does call hci_conn_del without\nfirst checking if conn->type is in fact AMP_LINK and in case it is\ndo properly cleanup upper layers with hci_disconn_cfm:\n\n ==================================================================\n BUG: KASAN: use-after-free in hci_send_acl+0xaba/0xc50\n Read of size 8 at addr ffff88800e404818 by task bluetoothd/142\n\n CPU: 0 PID: 142 Comm: bluetoothd Not tainted\n 5.17.0-rc5-00006-gda4022eeac1a #7\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n Call Trace:\n <TASK>\n dump_stack_lvl+0x45/0x59\n print_address_description.constprop.0+0x1f/0x150\n kasan_report.cold+0x7f/0x11b\n hci_send_acl+0xaba/0xc50\n l2cap_do_send+0x23f/0x3d0\n l2cap_chan_send+0xc06/0x2cc0\n l2cap_sock_sendmsg+0x201/0x2b0\n sock_sendmsg+0xdc/0x110\n sock_write_iter+0x20f/0x370\n do_iter_readv_writev+0x343/0x690\n do_iter_write+0x132/0x640\n vfs_writev+0x198/0x570\n do_writev+0x202/0x280\n do_syscall_64+0x38/0x90\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n RSP: 002b:00007ffce8a099b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014\n Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3\n 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 14 00 00 00 0f 05\n <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10\n RDX: 0000000000000001 RSI: 00007ffce8a099e0 RDI: 0000000000000015\n RAX: ffffffffffffffda RBX: 00007ffce8a099e0 RCX: 00007f788fc3cf77\n R10: 00007ffce8af7080 R11: 0000000000000246 R12: 000055e4ccf75580\n RBP: 0000000000000015 R08: 0000000000000002 R09: 0000000000000001\n </TASK>\n R13: 000055e4ccf754a0 R14: 000055e4ccf75cd0 R15: 000055e4ccf4a6b0\n\n Allocated by task 45:\n kasan_save_stack+0x1e/0x40\n __kasan_kmalloc+0x81/0xa0\n hci_chan_create+0x9a/0x2f0\n l2cap_conn_add.part.0+0x1a/0xdc0\n l2cap_connect_cfm+0x236/0x1000\n le_conn_complete_evt+0x15a7/0x1db0\n hci_le_conn_complete_evt+0x226/0x2c0\n hci_le_meta_evt+0x247/0x450\n hci_event_packet+0x61b/0xe90\n hci_rx_work+0x4d5/0xc50\n process_one_work+0x8fb/0x15a0\n worker_thread+0x576/0x1240\n kthread+0x29d/0x340\n ret_from_fork+0x1f/0x30\n\n Freed by task 45:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n kasan_set_free_info+0x20/0x30\n __kasan_slab_free+0xfb/0x130\n kfree+0xac/0x350\n hci_conn_cleanup+0x101/0x6a0\n hci_conn_del+0x27e/0x6c0\n hci_disconn_phylink_complete_evt+0xe0/0x120\n hci_event_packet+0x812/0xe90\n hci_rx_work+0x4d5/0xc50\n process_one_work+0x8fb/0x15a0\n worker_thread+0x576/0x1240\n kthread+0x29d/0x340\n ret_from_fork+0x1f/0x30\n\n The buggy address belongs to the object at ffff88800c0f0500\n The buggy address is located 24 bytes inside of\n which belongs to the cache kmalloc-128 of size 128\n The buggy address belongs to the page:\n 128-byte region [ffff88800c0f0500, ffff88800c0f0580)\n flags: 0x100000000000200(slab|node=0|zone=1)\n page:00000000fe45cd86 refcount:1 mapcount:0\n mapping:0000000000000000 index:0x0 pfn:0xc0f0\n raw: 0000000000000000 0000000080100010 00000001ffffffff\n 0000000000000000\n raw: 0100000000000200 ffffea00003a2c80 dead000000000004\n ffff8880078418c0\n page dumped because: kasan: bad access detected\n ffff88800c0f0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc\n Memory state around the buggy address:\n >ffff88800c0f0500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ffff88800c0f0480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n ffff88800c0f0580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n \n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: Arreglar use-after-free en hci_send_acl Esto corrige el siguiente rastro causado por recibir HCI_EV_DISCONN_PHY_LINK_COMPLETE que llama a hci_conn_del sin verificar primero si conn-&gt;type es de hecho AMP_LINK y en caso de que lo sea, limpia adecuadamente las capas superiores con hci_disconn_cfm: ===================================================================== ERROR: KASAN: use-after-free en hci_send_acl+0xaba/0xc50 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff88800e404818 por la tarea bluetoothd/142 CPU: 0 PID: 142 Comm: bluetoothd No contaminado 5.17.0-rc5-00006-gda4022eeac1a #7 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 01/04/2014 Seguimiento de llamadas: dump_stack_lvl+0x45/0x59 print_address_description.constprop.0+0x1f/0x150 kasan_report.cold+0x7f/0x11b hci_send_acl+0xaba/0xc50 l2cap_do_send+0x23f/0x3d0 l2cap_chan_send+0xc06/0x2cc0 l2cap_sock_sendmsg+0x201/0x2b0 sock_sendmsg+0xdc/0x110 sock_write_iter+0x20f/0x370 do_iter_readv_writev+0x343/0x690 do_iter_write+0x132/0x640 vfs_writev+0x198/0x570 do_writev+0x202/0x280 do_syscall_64+0x38/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RSP: 002b:00007ffce8a099b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 C\u00f3digo: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 14 00 00 00 0f 05 &lt;48&gt; 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 RDX: 0000000000000001 RSI: 00007ffce8a099e0 RDI: 0000000000000015 RAX: ffffffffffffffda RBX: 00007ffce8a099e0 RCX: 00007f788fc3cf77 R10: 00007ffce8af7080 R11: 0000000000000246 R12: 000055e4ccf75580 RBP: 0000000000000015 R08: 0000000000000002 R09: 0000000000000001 R13: 000055e4ccf754a0 R14: 000055e4ccf75cd0 R15: 000055e4ccf4a6b0 Asignado por la tarea 45: kasan_save_stack+0x1e/0x40 __kasan_kmalloc+0x81/0xa0 hci_chan_create+0x9a/0x2f0 l2cap_conn_add.part.0+0x1a/0xdc0 l2cap_connect_cfm+0x236/0x1000 le_conn_complete_evt+0x15a7/0x1db0 hci_le_conn_complete_evt+0x226/0x2c0 hci_le_meta_evt+0x247/0x450 hci_event_packet+0x61b/0xe90 hci_rx_work+0x4d5/0xc50 process_one_work+0x8fb/0x15a0 worker_thread+0x576/0x1240 kthread+0x29d/0x340 ret_from_fork+0x1f/0x30 Liberado por la tarea 45: kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 kasan_set_free_info+0x20/0x30 __kasan_slab_free+0xfb/0x130 kfree+0xac/0x350 hci_conn_cleanup+0x101/0x6a0 hci_conn_del+0x27e/0x6c0 hci_disconn_phylink_complete_evt+0xe0/0x120 hci_event_packet+0x812/0xe90 hci_rx_work+0x4d5/0xc50 process_one_work+0x8fb/0x15a0 worker_thread+0x576/0x1240 kthread+0x29d/0x340 ret_from_fork+0x1f/0x30 La direcci\u00f3n con errores pertenece al objeto en ffff88800c0f0500 La direcci\u00f3n con errores se encuentra a 24 bytes dentro del cual pertenece al cach\u00e9 kmalloc-128 de tama\u00f1o 128 La direcci\u00f3n con errores pertenece a la p\u00e1gina: regi\u00f3n de 128 bytes [ffff88800c0f0500, ffff88800c0f0580) flags: 0x100000000000200(slab|node=0|zone=1) page:00000000fe45cd86 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xc0f0 raw: 000000000000000 0000000080100010 00000001ffffffff 0000000000000000 sin procesar: 01000000000000200 ffffea00003a2c80 muerto000000000004 ffff8880078418c0 p\u00e1gina volcada porque: kasan: acceso incorrecto detectado ffff88800c0f0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc Estado de la memoria alrededor de la direcci\u00f3n con errores: &gt;ffff88800c0f0500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88800c0f0480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88800c0f0580: fc fc fc fc fc fc fc fc fc fc fc fc ---truncado---"}], "id": "CVE-2022-49111", "lastModified": "2025-03-25T16:20:37.950", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-02-26T07:00:48.470", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2cc803804ec9a296b3156855d6c8c4ca1c6b84be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3803d896ddd97c7c16689a5381c0960040727647"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4da302b90b96c309987eb9b37c8547f939f042d2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/643a6c26bd32e339d00ad97b8822b6db009e803c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/684e505406abaeabe0058e9776f9210bf2747953"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b3c2ea1fd444b3bb7b82bfd2c3a45418f85c2502"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c41de54b0a963e59e4dd04c029a4a6d73f45ef9c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d404765dffdbd8dcd14758695d0c96c52fb2e624"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f63d24baff787e13b723d86fe036f84bdbc35045"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2025:10670", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.60.1.rt7.401.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-07-09T00:00:00Z"}, {"advisory": "RHSA-2025:10669", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.60.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-07-09T00:00:00Z"}, {"advisory": "RHSA-2025:10179", "cpe": "cpe:/o:redhat:rhel_aus:8.2", "package": "kernel-0:4.18.0-193.156.1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2025-07-02T00:00:00Z"}, {"advisory": "RHSA-2025:10005", "cpe": "cpe:/o:redhat:rhel_aus:8.4", "package": "kernel-0:4.18.0-305.161.1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2025-07-01T00:00:00Z"}, {"advisory": "RHSA-2025:10673", "cpe": "cpe:/o:redhat:rhel_aus:8.6", "package": "kernel-0:4.18.0-372.151.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2025-07-09T00:00:00Z"}, {"advisory": "RHSA-2025:10673", "cpe": "cpe:/o:redhat:rhel_tus:8.6", "package": "kernel-0:4.18.0-372.151.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2025-07-09T00:00:00Z"}, {"advisory": "RHSA-2025:10673", "cpe": "cpe:/o:redhat:rhel_e4s:8.6", "package": "kernel-0:4.18.0-372.151.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2025-07-09T00:00:00Z"}, {"advisory": "RHSA-2025:10211", "cpe": "cpe:/o:redhat:rhel_tus:8.8", "package": "kernel-0:4.18.0-477.100.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "release_date": "2025-07-02T00:00:00Z"}, {"advisory": "RHSA-2025:10211", "cpe": "cpe:/o:redhat:rhel_e4s:8.8", "package": "kernel-0:4.18.0-477.100.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions", "release_date": "2025-07-02T00:00:00Z"}, {"advisory": "RHSA-2023:2458", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}, {"advisory": "RHSA-2023:2458", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}, {"advisory": "RHSA-2025:10174", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "kernel-0:5.14.0-70.136.1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2025-07-01T00:00:00Z"}, {"advisory": "RHSA-2025:10193", "cpe": "cpe:/a:redhat:rhel_e4s:9.0::nfv", "package": "kernel-rt-0:5.14.0-70.136.1.rt21.208.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2025-07-02T00:00:00Z"}], "bugzilla": {"description": "kernel: Bluetooth: Fix use after free in hci_send_acl", "id": "2347952", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347952"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: Fix use after free in hci_send_acl\nThis fixes the following trace caused by receiving\nHCI_EV_DISCONN_PHY_LINK_COMPLETE which does call hci_conn_del without\nfirst checking if conn->type is in fact AMP_LINK and in case it is\ndo properly cleanup upper layers with hci_disconn_cfm:\n==================================================================\nBUG: KASAN: use-after-free in hci_send_acl+0xaba/0xc50\nRead of size 8 at addr ffff88800e404818 by task bluetoothd/142\nCPU: 0 PID: 142 Comm: bluetoothd Not tainted\n5.17.0-rc5-00006-gda4022eeac1a #7\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nrel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\nCall Trace:\n<TASK>\ndump_stack_lvl+0x45/0x59\nprint_address_description.constprop.0+0x1f/0x150\nkasan_report.cold+0x7f/0x11b\nhci_send_acl+0xaba/0xc50\nl2cap_do_send+0x23f/0x3d0\nl2cap_chan_send+0xc06/0x2cc0\nl2cap_sock_sendmsg+0x201/0x2b0\nsock_sendmsg+0xdc/0x110\nsock_write_iter+0x20f/0x370\ndo_iter_readv_writev+0x343/0x690\ndo_iter_write+0x132/0x640\nvfs_writev+0x198/0x570\ndo_writev+0x202/0x280\ndo_syscall_64+0x38/0x90\nentry_SYSCALL_64_after_hwframe+0x44/0xae\nRSP: 002b:00007ffce8a099b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014\nCode: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3\n0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 14 00 00 00 0f 05\n<48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10\nRDX: 0000000000000001 RSI: 00007ffce8a099e0 RDI: 0000000000000015\nRAX: ffffffffffffffda RBX: 00007ffce8a099e0 RCX: 00007f788fc3cf77\nR10: 00007ffce8af7080 R11: 0000000000000246 R12: 000055e4ccf75580\nRBP: 0000000000000015 R08: 0000000000000002 R09: 0000000000000001\n</TASK>\nR13: 000055e4ccf754a0 R14: 000055e4ccf75cd0 R15: 000055e4ccf4a6b0\nAllocated by task 45:\nkasan_save_stack+0x1e/0x40\n__kasan_kmalloc+0x81/0xa0\nhci_chan_create+0x9a/0x2f0\nl2cap_conn_add.part.0+0x1a/0xdc0\nl2cap_connect_cfm+0x236/0x1000\nle_conn_complete_evt+0x15a7/0x1db0\nhci_le_conn_complete_evt+0x226/0x2c0\nhci_le_meta_evt+0x247/0x450\nhci_event_packet+0x61b/0xe90\nhci_rx_work+0x4d5/0xc50\nprocess_one_work+0x8fb/0x15a0\nworker_thread+0x576/0x1240\nkthread+0x29d/0x340\nret_from_fork+0x1f/0x30\nFreed by task 45:\nkasan_save_stack+0x1e/0x40\nkasan_set_track+0x21/0x30\nkasan_set_free_info+0x20/0x30\n__kasan_slab_free+0xfb/0x130\nkfree+0xac/0x350\nhci_conn_cleanup+0x101/0x6a0\nhci_conn_del+0x27e/0x6c0\nhci_disconn_phylink_complete_evt+0xe0/0x120\nhci_event_packet+0x812/0xe90\nhci_rx_work+0x4d5/0xc50\nprocess_one_work+0x8fb/0x15a0\nworker_thread+0x576/0x1240\nkthread+0x29d/0x340\nret_from_fork+0x1f/0x30\nThe buggy address belongs to the object at ffff88800c0f0500\nThe buggy address is located 24 bytes inside of\nwhich belongs to the cache kmalloc-128 of size 128\nThe buggy address belongs to the page:\n128-byte region [ffff88800c0f0500, ffff88800c0f0580)\nflags: 0x100000000000200(slab|node=0|zone=1)\npage:00000000fe45cd86 refcount:1 mapcount:0\nmapping:0000000000000000 index:0x0 pfn:0xc0f0\nraw: 0000000000000000 0000000080100010 00000001ffffffff\n0000000000000000\nraw: 0100000000000200 ffffea00003a2c80 dead000000000004\nffff8880078418c0\npage dumped because: kasan: bad access detected\nffff88800c0f0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc\nMemory state around the buggy address:\n>ffff88800c0f0500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\nffff88800c0f0480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\nffff88800c0f0580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n---truncated---", "A vulnerability was found in the Linux kernel's Bluetooth subsystem in the `hci_disconn_phylink_complete_evt()` function. Improper cleanup and reference handling can lead to a connection object, `hcon`, being freed and then later accessed during a subsequent function call. This issue can lead to a use-after-free scenario, leading to system instability, memory corruption, and potential code execution."], "name": "CVE-2022-49111", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49111\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49111\nhttps://lore.kernel.org/linux-cve-announce/2025022602-CVE-2022-49111-8795@gregkh/T"], "threat_severity": "Moderate"}

{}