{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-56653", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-27T15:00:39.841Z", "datePublished": "2024-12-27T15:06:17.267Z", "dateUpdated": "2026-05-11T20:56:38.968Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:56:38.968Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtk: avoid UAF in btmtk_process_coredump\n\nhci_devcd_append may lead to the release of the skb, so it cannot be\naccessed once it is called.\n\n==================================================================\nBUG: KASAN: slab-use-after-free in btmtk_process_coredump+0x2a7/0x2d0 [btmtk]\nRead of size 4 at addr ffff888033cfabb0 by task kworker/0:3/82\n\nCPU: 0 PID: 82 Comm: kworker/0:3 Tainted: G U 6.6.40-lockdep-03464-g1d8b4eb3060e #1 b0b3c1cc0c842735643fb411799d97921d1f688c\nHardware name: Google Yaviks_Ufs/Yaviks_Ufs, BIOS Google_Yaviks_Ufs.15217.552.0 05/07/2024\nWorkqueue: events btusb_rx_work [btusb]\nCall Trace:\n <TASK>\n dump_stack_lvl+0xfd/0x150\n print_report+0x131/0x780\n kasan_report+0x177/0x1c0\n btmtk_process_coredump+0x2a7/0x2d0 [btmtk 03edd567dd71a65958807c95a65db31d433e1d01]\n btusb_recv_acl_mtk+0x11c/0x1a0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec]\n btusb_rx_work+0x9e/0xe0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec]\n worker_thread+0xe44/0x2cc0\n kthread+0x2ff/0x3a0\n ret_from_fork+0x51/0x80\n ret_from_fork_asm+0x1b/0x30\n </TASK>\n\nAllocated by task 82:\n stack_trace_save+0xdc/0x190\n kasan_set_track+0x4e/0x80\n __kasan_slab_alloc+0x4e/0x60\n kmem_cache_alloc+0x19f/0x360\n skb_clone+0x132/0xf70\n btusb_recv_acl_mtk+0x104/0x1a0 [btusb]\n btusb_rx_work+0x9e/0xe0 [btusb]\n worker_thread+0xe44/0x2cc0\n kthread+0x2ff/0x3a0\n ret_from_fork+0x51/0x80\n ret_from_fork_asm+0x1b/0x30\n\nFreed by task 1733:\n stack_trace_save+0xdc/0x190\n kasan_set_track+0x4e/0x80\n kasan_save_free_info+0x28/0xb0\n ____kasan_slab_free+0xfd/0x170\n kmem_cache_free+0x183/0x3f0\n hci_devcd_rx+0x91a/0x2060 [bluetooth]\n worker_thread+0xe44/0x2cc0\n kthread+0x2ff/0x3a0\n ret_from_fork+0x51/0x80\n ret_from_fork_asm+0x1b/0x30\n\nThe buggy address belongs to the object at ffff888033cfab40\n which belongs to the cache skbuff_head_cache of size 232\nThe buggy address is located 112 bytes inside of\n freed 232-byte region [ffff888033cfab40, ffff888033cfac28)\n\nThe buggy address belongs to the physical page:\npage:00000000a174ba93 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33cfa\nhead:00000000a174ba93 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0\nanon flags: 0x4000000000000840(slab|head|zone=1)\npage_type: 0xffffffff()\nraw: 4000000000000840 ffff888100848a00 0000000000000000 0000000000000001\nraw: 0000000000000000 0000000080190019 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\n\nMemory state around the buggy address:\n ffff888033cfaa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc\n ffff888033cfab00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb\n>ffff888033cfab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ^\n ffff888033cfac00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc\n ffff888033cfac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n==================================================================\n\nCheck if we need to call hci_devcd_complete before calling\nhci_devcd_append. That requires that we check data->cd_info.cnt >=\nMTK_COREDUMP_NUM instead of data->cd_info.cnt > MTK_COREDUMP_NUM, as we\nincrement data->cd_info.cnt only once the call to hci_devcd_append\nsucceeds."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/btmtk.c"], "versions": [{"version": "0b70151328781a89c89e4cf3fae21fc0e98d869e", "lessThan": "ecdcaea0e4057171ea4c3783e1cc1c900ad99125", "status": "affected", "versionType": "git"}, {"version": "0b70151328781a89c89e4cf3fae21fc0e98d869e", "lessThan": "d20ff1d3cb40479789368f502eedb0a00e4161fc", "status": "affected", "versionType": "git"}, {"version": "0b70151328781a89c89e4cf3fae21fc0e98d869e", "lessThan": "b548f5e9456c568155499d9ebac675c0d7a296e8", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/btmtk.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.67", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.6", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "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": "6.6", "versionEndExcluding": "6.6.67"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ecdcaea0e4057171ea4c3783e1cc1c900ad99125"}, {"url": "https://git.kernel.org/stable/c/d20ff1d3cb40479789368f502eedb0a00e4161fc"}, {"url": "https://git.kernel.org/stable/c/b548f5e9456c568155499d9ebac675c0d7a296e8"}], "title": "Bluetooth: btmtk: avoid UAF in btmtk_process_coredump", "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-2024-56653", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-10T17:12:36.149628Z"}}}], "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": "2025-02-10T17:21:07.909Z"}}]}}

{"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-2024-56653", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-10T17:12:36.149628Z"}}}], "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": "2025-02-10T17:12:37.549Z"}}], "cna": {"title": "Bluetooth: btmtk: avoid UAF in btmtk_process_coredump", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "0b70151328781a89c89e4cf3fae21fc0e98d869e", "lessThan": "ecdcaea0e4057171ea4c3783e1cc1c900ad99125", "versionType": "git"}, {"status": "affected", "version": "0b70151328781a89c89e4cf3fae21fc0e98d869e", "lessThan": "d20ff1d3cb40479789368f502eedb0a00e4161fc", "versionType": "git"}, {"status": "affected", "version": "0b70151328781a89c89e4cf3fae21fc0e98d869e", "lessThan": "b548f5e9456c568155499d9ebac675c0d7a296e8", "versionType": "git"}], "programFiles": ["drivers/bluetooth/btmtk.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"status": "unaffected", "version": "0", "lessThan": "6.6", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.67", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.6", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/bluetooth/btmtk.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/ecdcaea0e4057171ea4c3783e1cc1c900ad99125"}, {"url": "https://git.kernel.org/stable/c/d20ff1d3cb40479789368f502eedb0a00e4161fc"}, {"url": "https://git.kernel.org/stable/c/b548f5e9456c568155499d9ebac675c0d7a296e8"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtk: avoid UAF in btmtk_process_coredump\n\nhci_devcd_append may lead to the release of the skb, so it cannot be\naccessed once it is called.\n\n==================================================================\nBUG: KASAN: slab-use-after-free in btmtk_process_coredump+0x2a7/0x2d0 [btmtk]\nRead of size 4 at addr ffff888033cfabb0 by task kworker/0:3/82\n\nCPU: 0 PID: 82 Comm: kworker/0:3 Tainted: G U 6.6.40-lockdep-03464-g1d8b4eb3060e #1 b0b3c1cc0c842735643fb411799d97921d1f688c\nHardware name: Google Yaviks_Ufs/Yaviks_Ufs, BIOS Google_Yaviks_Ufs.15217.552.0 05/07/2024\nWorkqueue: events btusb_rx_work [btusb]\nCall Trace:\n <TASK>\n dump_stack_lvl+0xfd/0x150\n print_report+0x131/0x780\n kasan_report+0x177/0x1c0\n btmtk_process_coredump+0x2a7/0x2d0 [btmtk 03edd567dd71a65958807c95a65db31d433e1d01]\n btusb_recv_acl_mtk+0x11c/0x1a0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec]\n btusb_rx_work+0x9e/0xe0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec]\n worker_thread+0xe44/0x2cc0\n kthread+0x2ff/0x3a0\n ret_from_fork+0x51/0x80\n ret_from_fork_asm+0x1b/0x30\n </TASK>\n\nAllocated by task 82:\n stack_trace_save+0xdc/0x190\n kasan_set_track+0x4e/0x80\n __kasan_slab_alloc+0x4e/0x60\n kmem_cache_alloc+0x19f/0x360\n skb_clone+0x132/0xf70\n btusb_recv_acl_mtk+0x104/0x1a0 [btusb]\n btusb_rx_work+0x9e/0xe0 [btusb]\n worker_thread+0xe44/0x2cc0\n kthread+0x2ff/0x3a0\n ret_from_fork+0x51/0x80\n ret_from_fork_asm+0x1b/0x30\n\nFreed by task 1733:\n stack_trace_save+0xdc/0x190\n kasan_set_track+0x4e/0x80\n kasan_save_free_info+0x28/0xb0\n ____kasan_slab_free+0xfd/0x170\n kmem_cache_free+0x183/0x3f0\n hci_devcd_rx+0x91a/0x2060 [bluetooth]\n worker_thread+0xe44/0x2cc0\n kthread+0x2ff/0x3a0\n ret_from_fork+0x51/0x80\n ret_from_fork_asm+0x1b/0x30\n\nThe buggy address belongs to the object at ffff888033cfab40\n which belongs to the cache skbuff_head_cache of size 232\nThe buggy address is located 112 bytes inside of\n freed 232-byte region [ffff888033cfab40, ffff888033cfac28)\n\nThe buggy address belongs to the physical page:\npage:00000000a174ba93 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33cfa\nhead:00000000a174ba93 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0\nanon flags: 0x4000000000000840(slab|head|zone=1)\npage_type: 0xffffffff()\nraw: 4000000000000840 ffff888100848a00 0000000000000000 0000000000000001\nraw: 0000000000000000 0000000080190019 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\n\nMemory state around the buggy address:\n ffff888033cfaa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc\n ffff888033cfab00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb\n>ffff888033cfab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ^\n ffff888033cfac00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc\n ffff888033cfac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n==================================================================\n\nCheck if we need to call hci_devcd_complete before calling\nhci_devcd_append. That requires that we check data->cd_info.cnt >=\nMTK_COREDUMP_NUM instead of data->cd_info.cnt > MTK_COREDUMP_NUM, as we\nincrement data->cd_info.cnt only once the call to hci_devcd_append\nsucceeds."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.67", "versionStartIncluding": "6.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.6", "versionStartIncluding": "6.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.13", "versionStartIncluding": "6.6"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:56:38.968Z"}}}, "cveMetadata": {"cveId": "CVE-2024-56653", "state": "PUBLISHED", "dateUpdated": "2026-05-11T20:56:38.968Z", "dateReserved": "2024-12-27T15:00:39.841Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-12-27T15:06:17.267Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C2B02EC6-8145-43B2-B9EE-8A4FB1DE530C", "versionEndExcluding": "6.6.67", "versionStartIncluding": "6.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0CB1A9BB-F95E-43DD-A2FD-147912FD91E5", "versionEndExcluding": "6.12.6", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*", "matchCriteriaId": "5A073481-106D-4B15-B4C7-FB0213B8E1D4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtk: avoid UAF in btmtk_process_coredump\n\nhci_devcd_append may lead to the release of the skb, so it cannot be\naccessed once it is called.\n\n==================================================================\nBUG: KASAN: slab-use-after-free in btmtk_process_coredump+0x2a7/0x2d0 [btmtk]\nRead of size 4 at addr ffff888033cfabb0 by task kworker/0:3/82\n\nCPU: 0 PID: 82 Comm: kworker/0:3 Tainted: G U 6.6.40-lockdep-03464-g1d8b4eb3060e #1 b0b3c1cc0c842735643fb411799d97921d1f688c\nHardware name: Google Yaviks_Ufs/Yaviks_Ufs, BIOS Google_Yaviks_Ufs.15217.552.0 05/07/2024\nWorkqueue: events btusb_rx_work [btusb]\nCall Trace:\n <TASK>\n dump_stack_lvl+0xfd/0x150\n print_report+0x131/0x780\n kasan_report+0x177/0x1c0\n btmtk_process_coredump+0x2a7/0x2d0 [btmtk 03edd567dd71a65958807c95a65db31d433e1d01]\n btusb_recv_acl_mtk+0x11c/0x1a0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec]\n btusb_rx_work+0x9e/0xe0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec]\n worker_thread+0xe44/0x2cc0\n kthread+0x2ff/0x3a0\n ret_from_fork+0x51/0x80\n ret_from_fork_asm+0x1b/0x30\n </TASK>\n\nAllocated by task 82:\n stack_trace_save+0xdc/0x190\n kasan_set_track+0x4e/0x80\n __kasan_slab_alloc+0x4e/0x60\n kmem_cache_alloc+0x19f/0x360\n skb_clone+0x132/0xf70\n btusb_recv_acl_mtk+0x104/0x1a0 [btusb]\n btusb_rx_work+0x9e/0xe0 [btusb]\n worker_thread+0xe44/0x2cc0\n kthread+0x2ff/0x3a0\n ret_from_fork+0x51/0x80\n ret_from_fork_asm+0x1b/0x30\n\nFreed by task 1733:\n stack_trace_save+0xdc/0x190\n kasan_set_track+0x4e/0x80\n kasan_save_free_info+0x28/0xb0\n ____kasan_slab_free+0xfd/0x170\n kmem_cache_free+0x183/0x3f0\n hci_devcd_rx+0x91a/0x2060 [bluetooth]\n worker_thread+0xe44/0x2cc0\n kthread+0x2ff/0x3a0\n ret_from_fork+0x51/0x80\n ret_from_fork_asm+0x1b/0x30\n\nThe buggy address belongs to the object at ffff888033cfab40\n which belongs to the cache skbuff_head_cache of size 232\nThe buggy address is located 112 bytes inside of\n freed 232-byte region [ffff888033cfab40, ffff888033cfac28)\n\nThe buggy address belongs to the physical page:\npage:00000000a174ba93 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33cfa\nhead:00000000a174ba93 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0\nanon flags: 0x4000000000000840(slab|head|zone=1)\npage_type: 0xffffffff()\nraw: 4000000000000840 ffff888100848a00 0000000000000000 0000000000000001\nraw: 0000000000000000 0000000080190019 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\n\nMemory state around the buggy address:\n ffff888033cfaa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc\n ffff888033cfab00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb\n>ffff888033cfab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ^\n ffff888033cfac00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc\n ffff888033cfac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n==================================================================\n\nCheck if we need to call hci_devcd_complete before calling\nhci_devcd_append. That requires that we check data->cd_info.cnt >=\nMTK_COREDUMP_NUM instead of data->cd_info.cnt > MTK_COREDUMP_NUM, as we\nincrement data->cd_info.cnt only once the call to hci_devcd_append\nsucceeds."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: btmtk: evitar UAF en btmtk_process_coredump hci_devcd_append puede provocar la liberaci\u00f3n del skb, por lo que no se puede acceder a \u00e9l una vez que se llama. ===================================================================== ERROR: KASAN: slab-use-after-free en btmtk_process_coredump+0x2a7/0x2d0 [btmtk] Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff888033cfabb0 por la tarea kworker/0:3/82 CPU: 0 PID: 82 Comm: kworker/0:3 Contaminado: GU 6.6.40-lockdep-03464-g1d8b4eb3060e #1 b0b3c1cc0c842735643fb411799d97921d1f688c Nombre del hardware: Google Yaviks_Ufs/Yaviks_Ufs, BIOS Google_Yaviks_Ufs.15217.552.0 07/05/2024 Cola de trabajo: eventos btusb_rx_work [btusb] Seguimiento de llamadas: dump_stack_lvl+0xfd/0x150 print_report+0x131/0x780 kasan_report+0x177/0x1c0 btmtk_process_coredump+0x2a7/0x2d0 [btmtk 03edd567dd71a65958807c95a65db31d433e1d01] btusb_recv_acl_mtk+0x11c/0x1a0 [btusb Asignado por la tarea 82: stack_trace_save+0xdc/0x190 kasan_set_track+0x4e/0x80 __kasan_slab_alloc+0x4e/0x60 kmem_cache_alloc+0x19f/0x360 skb_clone+0x132/0xf70 btusb_recv_acl_mtk+0x104/0x1a0 [btusb] btusb_rx_work+0x9e/0xe0 [btusb] subproceso de trabajo+0xe44/0x2cc0 kthread+0x2ff/0x3a0 ret_from_fork+0x51/0x80 ret_from_fork_asm+0x1b/0x30 Liberado por la tarea 1733: stack_trace_save+0xdc/0x190 kasan_set_track+0x4e/0x80 kasan_save_free_info+0x28/0xb0 ____kasan_slab_free+0xfd/0x170 kmem_cache_free+0x183/0x3f0 hci_devcd_rx+0x91a/0x2060 [bluetooth] worker_thread+0xe44/0x2cc0 kthread+0x2ff/0x3a0 ret_from_fork+0x51/0x80 ret_from_fork_asm+0x1b/0x30 La direcci\u00f3n con errores pertenece al objeto en ffff888033cfab40 que pertenece al cach\u00e9 skbuff_head_cache de tama\u00f1o 232 La direcci\u00f3n con errores se encuentra 112 bytes dentro de la regi\u00f3n liberada de 232 bytes [ffff888033cfab40, ffff888033cfac28) La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: page:00000000a174ba93 refcount:1 mapcount:0 mapeo:0000000000000000 \u00edndice:0x0 pfn:0x33cfa encabezado:00000000a174ba93 orden:1 recuento_de_mapas_entero:0 nr_p\u00e1ginas_asignadas:0 recuento_de_pins:0 anon banderas: 0x4000000000000840(slab|head|zone=1) tipo_de_p\u00e1gina: 0xffffffff() sin procesar: 4000000000000840 ffff888100848a00 0000000000000000 0000000000000001 sin procesar: 000000000000000 000000000080190019 00000001ffffffff 0000000000000000 p\u00e1gina volcada porque: kasan: se detect\u00f3 un acceso incorrecto Estado de la memoria alrededor de la direcci\u00f3n con errores: ffff888033cfaa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc ffff888033cfab00: fc fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb &gt;ffff888033cfab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888033cfac00: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc ffff888033cfac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb == ..."}], "id": "CVE-2024-56653", "lastModified": "2025-02-10T18:15:31.423", "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": "nvd@nist.gov", "type": "Primary"}, {"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": "2024-12-27T15:15:25.133", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b548f5e9456c568155499d9ebac675c0d7a296e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d20ff1d3cb40479789368f502eedb0a00e4161fc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ecdcaea0e4057171ea4c3783e1cc1c900ad99125"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2025:6966", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:6966", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}], "bugzilla": {"description": "kernel: Bluetooth: btmtk: avoid UAF in btmtk_process_coredump", "id": "2334538", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334538"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: btmtk: avoid UAF in btmtk_process_coredump\nhci_devcd_append may lead to the release of the skb, so it cannot be\naccessed once it is called.\n==================================================================\nBUG: KASAN: slab-use-after-free in btmtk_process_coredump+0x2a7/0x2d0 [btmtk]\nRead of size 4 at addr ffff888033cfabb0 by task kworker/0:3/82\nCPU: 0 PID: 82 Comm: kworker/0:3 Tainted: G U 6.6.40-lockdep-03464-g1d8b4eb3060e #1 b0b3c1cc0c842735643fb411799d97921d1f688c\nHardware name: Google Yaviks_Ufs/Yaviks_Ufs, BIOS Google_Yaviks_Ufs.15217.552.0 05/07/2024\nWorkqueue: events btusb_rx_work [btusb]\nCall Trace:\n<TASK>\ndump_stack_lvl+0xfd/0x150\nprint_report+0x131/0x780\nkasan_report+0x177/0x1c0\nbtmtk_process_coredump+0x2a7/0x2d0 [btmtk 03edd567dd71a65958807c95a65db31d433e1d01]\nbtusb_recv_acl_mtk+0x11c/0x1a0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec]\nbtusb_rx_work+0x9e/0xe0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec]\nworker_thread+0xe44/0x2cc0\nkthread+0x2ff/0x3a0\nret_from_fork+0x51/0x80\nret_from_fork_asm+0x1b/0x30\n</TASK>\nAllocated by task 82:\nstack_trace_save+0xdc/0x190\nkasan_set_track+0x4e/0x80\n__kasan_slab_alloc+0x4e/0x60\nkmem_cache_alloc+0x19f/0x360\nskb_clone+0x132/0xf70\nbtusb_recv_acl_mtk+0x104/0x1a0 [btusb]\nbtusb_rx_work+0x9e/0xe0 [btusb]\nworker_thread+0xe44/0x2cc0\nkthread+0x2ff/0x3a0\nret_from_fork+0x51/0x80\nret_from_fork_asm+0x1b/0x30\nFreed by task 1733:\nstack_trace_save+0xdc/0x190\nkasan_set_track+0x4e/0x80\nkasan_save_free_info+0x28/0xb0\n____kasan_slab_free+0xfd/0x170\nkmem_cache_free+0x183/0x3f0\nhci_devcd_rx+0x91a/0x2060 [bluetooth]\nworker_thread+0xe44/0x2cc0\nkthread+0x2ff/0x3a0\nret_from_fork+0x51/0x80\nret_from_fork_asm+0x1b/0x30\nThe buggy address belongs to the object at ffff888033cfab40\nwhich belongs to the cache skbuff_head_cache of size 232\nThe buggy address is located 112 bytes inside of\nfreed 232-byte region [ffff888033cfab40, ffff888033cfac28)\nThe buggy address belongs to the physical page:\npage:00000000a174ba93 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33cfa\nhead:00000000a174ba93 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0\nanon flags: 0x4000000000000840(slab|head|zone=1)\npage_type: 0xffffffff()\nraw: 4000000000000840 ffff888100848a00 0000000000000000 0000000000000001\nraw: 0000000000000000 0000000080190019 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\nMemory state around the buggy address:\nffff888033cfaa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc\nffff888033cfab00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb\n>ffff888033cfab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n^\nffff888033cfac00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc\nffff888033cfac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n==================================================================\nCheck if we need to call hci_devcd_complete before calling\nhci_devcd_append. That requires that we check data->cd_info.cnt >=\nMTK_COREDUMP_NUM instead of data->cd_info.cnt > MTK_COREDUMP_NUM, as we\nincrement data->cd_info.cnt only once the call to hci_devcd_append\nsucceeds."], "name": "CVE-2024-56653", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56653\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56653\nhttps://lore.kernel.org/linux-cve-announce/2024122749-CVE-2024-56653-bb35@gregkh/T"], "threat_severity": "Moderate"}

{}