{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49470", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.578Z", "datePublished": "2025-02-26T02:13:14.024Z", "dateUpdated": "2026-05-11T19:00:30.636Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:00:30.636Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event\n\nWe should not access skb buffer data anymore after hci_recv_frame was\ncalled.\n\n[ 39.634809] BUG: KASAN: use-after-free in btmtksdio_recv_event+0x1b0\n[ 39.634855] Read of size 1 at addr ffffff80cf28a60d by task kworker\n[ 39.634962] Call trace:\n[ 39.634974] dump_backtrace+0x0/0x3b8\n[ 39.634999] show_stack+0x20/0x2c\n[ 39.635016] dump_stack_lvl+0x60/0x78\n[ 39.635040] print_address_description+0x70/0x2f0\n[ 39.635062] kasan_report+0x154/0x194\n[ 39.635079] __asan_report_load1_noabort+0x44/0x50\n[ 39.635099] btmtksdio_recv_event+0x1b0/0x1c4\n[ 39.635129] btmtksdio_txrx_work+0x6cc/0xac4\n[ 39.635157] process_one_work+0x560/0xc5c\n[ 39.635177] worker_thread+0x7ec/0xcc0\n[ 39.635195] kthread+0x2d0/0x3d0\n[ 39.635215] ret_from_fork+0x10/0x20\n[ 39.635247] Allocated by task 0:\n[ 39.635260] (stack is not available)\n[ 39.635281] Freed by task 2392:\n[ 39.635295] kasan_save_stack+0x38/0x68\n[ 39.635319] kasan_set_track+0x28/0x3c\n[ 39.635338] kasan_set_free_info+0x28/0x4c\n[ 39.635357] ____kasan_slab_free+0x104/0x150\n[ 39.635374] __kasan_slab_free+0x18/0x28\n[ 39.635391] slab_free_freelist_hook+0x114/0x248\n[ 39.635410] kfree+0xf8/0x2b4\n[ 39.635427] skb_free_head+0x58/0x98\n[ 39.635447] skb_release_data+0x2f4/0x410\n[ 39.635464] skb_release_all+0x50/0x60\n[ 39.635481] kfree_skb+0xc8/0x25c\n[ 39.635498] hci_event_packet+0x894/0xca4 [bluetooth]\n[ 39.635721] hci_rx_work+0x1c8/0x68c [bluetooth]\n[ 39.635925] process_one_work+0x560/0xc5c\n[ 39.635951] worker_thread+0x7ec/0xcc0\n[ 39.635970] kthread+0x2d0/0x3d0\n[ 39.635990] ret_from_fork+0x10/0x20\n[ 39.636021] The buggy address belongs to the object at ffffff80cf28a600\n which belongs to the cache kmalloc-512 of size 512\n[ 39.636039] The buggy address is located 13 bytes inside of\n 512-byte region [ffffff80cf28a600, ffffff80cf28a800)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/btmtksdio.c"], "versions": [{"version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "b3cec8a42fcd11d05313c724f27e01b1db77522c", "status": "affected", "versionType": "git"}, {"version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "02ba31e09a26e8cd4582ac8e6163d80284997727", "status": "affected", "versionType": "git"}, {"version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "01c6a899fa6be4f4cbf60c4f44f0f6691155415f", "status": "affected", "versionType": "git"}, {"version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "0fab6361c4ba17d1b43a991bef4238a3c1754d35", "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/btmtksdio.c"], "versions": [{"version": "5.2", "status": "affected"}, {"version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.54", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.14", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.3", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "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": "5.2", "versionEndExcluding": "5.15.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.17.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b3cec8a42fcd11d05313c724f27e01b1db77522c"}, {"url": "https://git.kernel.org/stable/c/02ba31e09a26e8cd4582ac8e6163d80284997727"}, {"url": "https://git.kernel.org/stable/c/01c6a899fa6be4f4cbf60c4f44f0f6691155415f"}, {"url": "https://git.kernel.org/stable/c/0fab6361c4ba17d1b43a991bef4238a3c1754d35"}], "title": "Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event", "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-2022-49470", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-27T18:15:58.795301Z"}}}], "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": "2025-02-27T18:22:32.566Z"}}]}}

{"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-2022-49470", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-27T18:15:58.795301Z"}}}], "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": "2025-02-27T18:16:00.186Z"}}], "cna": {"title": "Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "b3cec8a42fcd11d05313c724f27e01b1db77522c", "versionType": "git"}, {"status": "affected", "version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "02ba31e09a26e8cd4582ac8e6163d80284997727", "versionType": "git"}, {"status": "affected", "version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "01c6a899fa6be4f4cbf60c4f44f0f6691155415f", "versionType": "git"}, {"status": "affected", "version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "0fab6361c4ba17d1b43a991bef4238a3c1754d35", "versionType": "git"}], "programFiles": ["drivers/bluetooth/btmtksdio.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.2"}, {"status": "unaffected", "version": "0", "lessThan": "5.2", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.54", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "5.17.14", "versionType": "semver", "lessThanOrEqual": "5.17.*"}, {"status": "unaffected", "version": "5.18.3", "versionType": "semver", "lessThanOrEqual": "5.18.*"}, {"status": "unaffected", "version": "5.19", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/bluetooth/btmtksdio.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/b3cec8a42fcd11d05313c724f27e01b1db77522c"}, {"url": "https://git.kernel.org/stable/c/02ba31e09a26e8cd4582ac8e6163d80284997727"}, {"url": "https://git.kernel.org/stable/c/01c6a899fa6be4f4cbf60c4f44f0f6691155415f"}, {"url": "https://git.kernel.org/stable/c/0fab6361c4ba17d1b43a991bef4238a3c1754d35"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event\n\nWe should not access skb buffer data anymore after hci_recv_frame was\ncalled.\n\n[ 39.634809] BUG: KASAN: use-after-free in btmtksdio_recv_event+0x1b0\n[ 39.634855] Read of size 1 at addr ffffff80cf28a60d by task kworker\n[ 39.634962] Call trace:\n[ 39.634974] dump_backtrace+0x0/0x3b8\n[ 39.634999] show_stack+0x20/0x2c\n[ 39.635016] dump_stack_lvl+0x60/0x78\n[ 39.635040] print_address_description+0x70/0x2f0\n[ 39.635062] kasan_report+0x154/0x194\n[ 39.635079] __asan_report_load1_noabort+0x44/0x50\n[ 39.635099] btmtksdio_recv_event+0x1b0/0x1c4\n[ 39.635129] btmtksdio_txrx_work+0x6cc/0xac4\n[ 39.635157] process_one_work+0x560/0xc5c\n[ 39.635177] worker_thread+0x7ec/0xcc0\n[ 39.635195] kthread+0x2d0/0x3d0\n[ 39.635215] ret_from_fork+0x10/0x20\n[ 39.635247] Allocated by task 0:\n[ 39.635260] (stack is not available)\n[ 39.635281] Freed by task 2392:\n[ 39.635295] kasan_save_stack+0x38/0x68\n[ 39.635319] kasan_set_track+0x28/0x3c\n[ 39.635338] kasan_set_free_info+0x28/0x4c\n[ 39.635357] ____kasan_slab_free+0x104/0x150\n[ 39.635374] __kasan_slab_free+0x18/0x28\n[ 39.635391] slab_free_freelist_hook+0x114/0x248\n[ 39.635410] kfree+0xf8/0x2b4\n[ 39.635427] skb_free_head+0x58/0x98\n[ 39.635447] skb_release_data+0x2f4/0x410\n[ 39.635464] skb_release_all+0x50/0x60\n[ 39.635481] kfree_skb+0xc8/0x25c\n[ 39.635498] hci_event_packet+0x894/0xca4 [bluetooth]\n[ 39.635721] hci_rx_work+0x1c8/0x68c [bluetooth]\n[ 39.635925] process_one_work+0x560/0xc5c\n[ 39.635951] worker_thread+0x7ec/0xcc0\n[ 39.635970] kthread+0x2d0/0x3d0\n[ 39.635990] ret_from_fork+0x10/0x20\n[ 39.636021] The buggy address belongs to the object at ffffff80cf28a600\n which belongs to the cache kmalloc-512 of size 512\n[ 39.636039] The buggy address is located 13 bytes inside of\n 512-byte region [ffffff80cf28a600, ffffff80cf28a800)"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.54", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.17.14", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.18.3", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.19", "versionStartIncluding": "5.2"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:00:30.636Z"}}}, "cveMetadata": {"cveId": "CVE-2022-49470", "state": "PUBLISHED", "dateUpdated": "2026-05-11T19:00:30.636Z", "dateReserved": "2025-02-26T02:08:31.578Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-02-26T02:13:14.024Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2A62F037-652E-4FE9-83E5-34D00905DD46", "versionEndExcluding": "5.15.54", "versionStartIncluding": "5.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "15E2DD33-2255-4B76-9C15-04FF8CBAB252", "versionEndExcluding": "5.17.14", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E122216-2E9E-4B3E-B7B8-D575A45BA3C2", "versionEndExcluding": "5.18.3", "versionStartIncluding": "5.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event\n\nWe should not access skb buffer data anymore after hci_recv_frame was\ncalled.\n\n[ 39.634809] BUG: KASAN: use-after-free in btmtksdio_recv_event+0x1b0\n[ 39.634855] Read of size 1 at addr ffffff80cf28a60d by task kworker\n[ 39.634962] Call trace:\n[ 39.634974] dump_backtrace+0x0/0x3b8\n[ 39.634999] show_stack+0x20/0x2c\n[ 39.635016] dump_stack_lvl+0x60/0x78\n[ 39.635040] print_address_description+0x70/0x2f0\n[ 39.635062] kasan_report+0x154/0x194\n[ 39.635079] __asan_report_load1_noabort+0x44/0x50\n[ 39.635099] btmtksdio_recv_event+0x1b0/0x1c4\n[ 39.635129] btmtksdio_txrx_work+0x6cc/0xac4\n[ 39.635157] process_one_work+0x560/0xc5c\n[ 39.635177] worker_thread+0x7ec/0xcc0\n[ 39.635195] kthread+0x2d0/0x3d0\n[ 39.635215] ret_from_fork+0x10/0x20\n[ 39.635247] Allocated by task 0:\n[ 39.635260] (stack is not available)\n[ 39.635281] Freed by task 2392:\n[ 39.635295] kasan_save_stack+0x38/0x68\n[ 39.635319] kasan_set_track+0x28/0x3c\n[ 39.635338] kasan_set_free_info+0x28/0x4c\n[ 39.635357] ____kasan_slab_free+0x104/0x150\n[ 39.635374] __kasan_slab_free+0x18/0x28\n[ 39.635391] slab_free_freelist_hook+0x114/0x248\n[ 39.635410] kfree+0xf8/0x2b4\n[ 39.635427] skb_free_head+0x58/0x98\n[ 39.635447] skb_release_data+0x2f4/0x410\n[ 39.635464] skb_release_all+0x50/0x60\n[ 39.635481] kfree_skb+0xc8/0x25c\n[ 39.635498] hci_event_packet+0x894/0xca4 [bluetooth]\n[ 39.635721] hci_rx_work+0x1c8/0x68c [bluetooth]\n[ 39.635925] process_one_work+0x560/0xc5c\n[ 39.635951] worker_thread+0x7ec/0xcc0\n[ 39.635970] kthread+0x2d0/0x3d0\n[ 39.635990] ret_from_fork+0x10/0x20\n[ 39.636021] The buggy address belongs to the object at ffffff80cf28a600\n which belongs to the cache kmalloc-512 of size 512\n[ 39.636039] The buggy address is located 13 bytes inside of\n 512-byte region [ffffff80cf28a600, ffffff80cf28a800)"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: btmtksdio: se corrige el use-after-free en btmtksdio_recv_event Ya no deber\u00edamos acceder a los datos del b\u00fafer skb despu\u00e9s de llamar a hci_recv_frame. [ 39.634809] ERROR: KASAN: use-after-free in btmtksdio_recv_event+0x1b0 [ 39.634855] Read of size 1 at addr ffffff80cf28a60d by task kworker [ 39.634962] Call trace: [ 39.634974] dump_backtrace+0x0/0x3b8 [ 39.634999] show_stack+0x20/0x2c [ 39.635016] dump_stack_lvl+0x60/0x78 [ 39.635040] print_address_description+0x70/0x2f0 [ 39.635062] kasan_report+0x154/0x194 [ 39.635079] __asan_report_load1_noabort+0x44/0x50 [ 39.635099] btmtksdio_recv_event+0x1b0/0x1c4 [ 39.635129] btmtksdio_txrx_work+0x6cc/0xac4 [ 39.635157] process_one_work+0x560/0xc5c [ 39.635177] worker_thread+0x7ec/0xcc0 [ 39.635195] kthread+0x2d0/0x3d0 [ 39.635215] ret_from_fork+0x10/0x20 [ 39.635247] Allocated by task 0: [ 39.635260] (stack is not available) [ 39.635281] Freed by task 2392: [ 39.635295] kasan_save_stack+0x38/0x68 [ 39.635319] kasan_set_track+0x28/0x3c [ 39.635338] kasan_set_free_info+0x28/0x4c [ 39.635357] ____kasan_slab_free+0x104/0x150 [ 39.635374] __kasan_slab_free+0x18/0x28 [ 39.635391] slab_free_freelist_hook+0x114/0x248 [ 39.635410] kfree+0xf8/0x2b4 [ 39.635427] skb_free_head+0x58/0x98 [ 39.635447] skb_release_data+0x2f4/0x410 [ 39.635464] skb_release_all+0x50/0x60 [ 39.635481] kfree_skb+0xc8/0x25c [ 39.635498] hci_event_packet+0x894/0xca4 [bluetooth] [ 39.635721] hci_rx_work+0x1c8/0x68c [bluetooth] [ 39.635925] process_one_work+0x560/0xc5c [ 39.635951] worker_thread+0x7ec/0xcc0 [ 39.635970] kthread+0x2d0/0x3d0 [ 39.635990] ret_from_fork+0x10/0x20 [ 39.636021] The buggy address belongs to the object at ffffff80cf28a600 which belongs to the cache kmalloc-512 of size 512 [ 39.636039] The buggy address is located 13 bytes inside of 512-byte region [ffffff80cf28a600, ffffff80cf28a800) "}], "id": "CVE-2022-49470", "lastModified": "2025-03-24T19:58:47.470", "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": "2025-02-26T07:01:23.240", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/01c6a899fa6be4f4cbf60c4f44f0f6691155415f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/02ba31e09a26e8cd4582ac8e6163d80284997727"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0fab6361c4ba17d1b43a991bef4238a3c1754d35"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b3cec8a42fcd11d05313c724f27e01b1db77522c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event", "id": "2348361", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348361"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event\nWe should not access skb buffer data anymore after hci_recv_frame was\ncalled.\n[ 39.634809] BUG: KASAN: use-after-free in btmtksdio_recv_event+0x1b0\n[ 39.634855] Read of size 1 at addr ffffff80cf28a60d by task kworker\n[ 39.634962] Call trace:\n[ 39.634974] dump_backtrace+0x0/0x3b8\n[ 39.634999] show_stack+0x20/0x2c\n[ 39.635016] dump_stack_lvl+0x60/0x78\n[ 39.635040] print_address_description+0x70/0x2f0\n[ 39.635062] kasan_report+0x154/0x194\n[ 39.635079] __asan_report_load1_noabort+0x44/0x50\n[ 39.635099] btmtksdio_recv_event+0x1b0/0x1c4\n[ 39.635129] btmtksdio_txrx_work+0x6cc/0xac4\n[ 39.635157] process_one_work+0x560/0xc5c\n[ 39.635177] worker_thread+0x7ec/0xcc0\n[ 39.635195] kthread+0x2d0/0x3d0\n[ 39.635215] ret_from_fork+0x10/0x20\n[ 39.635247] Allocated by task 0:\n[ 39.635260] (stack is not available)\n[ 39.635281] Freed by task 2392:\n[ 39.635295] kasan_save_stack+0x38/0x68\n[ 39.635319] kasan_set_track+0x28/0x3c\n[ 39.635338] kasan_set_free_info+0x28/0x4c\n[ 39.635357] ____kasan_slab_free+0x104/0x150\n[ 39.635374] __kasan_slab_free+0x18/0x28\n[ 39.635391] slab_free_freelist_hook+0x114/0x248\n[ 39.635410] kfree+0xf8/0x2b4\n[ 39.635427] skb_free_head+0x58/0x98\n[ 39.635447] skb_release_data+0x2f4/0x410\n[ 39.635464] skb_release_all+0x50/0x60\n[ 39.635481] kfree_skb+0xc8/0x25c\n[ 39.635498] hci_event_packet+0x894/0xca4 [bluetooth]\n[ 39.635721] hci_rx_work+0x1c8/0x68c [bluetooth]\n[ 39.635925] process_one_work+0x560/0xc5c\n[ 39.635951] worker_thread+0x7ec/0xcc0\n[ 39.635970] kthread+0x2d0/0x3d0\n[ 39.635990] ret_from_fork+0x10/0x20\n[ 39.636021] The buggy address belongs to the object at ffffff80cf28a600\nwhich belongs to the cache kmalloc-512 of size 512\n[ 39.636039] The buggy address is located 13 bytes inside of\n512-byte region [ffffff80cf28a600, ffffff80cf28a800)"], "name": "CVE-2022-49470", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not 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-2022-49470\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49470\nhttps://lore.kernel.org/linux-cve-announce/2025022602-CVE-2022-49470-1421@gregkh/T"], "threat_severity": "Low"}

{}