{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-57926", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-01-19T11:50:08.376Z", "datePublished": "2025-01-19T11:52:43.915Z", "dateUpdated": "2026-05-11T21:00:42.979Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:00:42.979Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: Set private->all_drm_private[i]->drm to NULL if mtk_drm_bind returns err\n\nThe pointer need to be set to NULL, otherwise KASAN complains about\nuse-after-free. Because in mtk_drm_bind, all private's drm are set\nas follows.\n\nprivate->all_drm_private[i]->drm = drm;\n\nAnd drm will be released by drm_dev_put in case mtk_drm_kms_init returns\nfailure. However, the shutdown path still accesses the previous allocated\nmemory in drm_atomic_helper_shutdown.\n\n[ 84.874820] watchdog: watchdog0: watchdog did not stop!\n[ 86.512054] ==================================================================\n[ 86.513162] BUG: KASAN: use-after-free in drm_atomic_helper_shutdown+0x33c/0x378\n[ 86.514258] Read of size 8 at addr ffff0000d46fc068 by task shutdown/1\n[ 86.515213]\n[ 86.515455] CPU: 1 UID: 0 PID: 1 Comm: shutdown Not tainted 6.13.0-rc1-mtk+gfa1a78e5d24b-dirty #55\n[ 86.516752] Hardware name: Unknown Product/Unknown Product, BIOS 2022.10 10/01/2022\n[ 86.517960] Call trace:\n[ 86.518333] show_stack+0x20/0x38 (C)\n[ 86.518891] dump_stack_lvl+0x90/0xd0\n[ 86.519443] print_report+0xf8/0x5b0\n[ 86.519985] kasan_report+0xb4/0x100\n[ 86.520526] __asan_report_load8_noabort+0x20/0x30\n[ 86.521240] drm_atomic_helper_shutdown+0x33c/0x378\n[ 86.521966] mtk_drm_shutdown+0x54/0x80\n[ 86.522546] platform_shutdown+0x64/0x90\n[ 86.523137] device_shutdown+0x260/0x5b8\n[ 86.523728] kernel_restart+0x78/0xf0\n[ 86.524282] __do_sys_reboot+0x258/0x2f0\n[ 86.524871] __arm64_sys_reboot+0x90/0xd8\n[ 86.525473] invoke_syscall+0x74/0x268\n[ 86.526041] el0_svc_common.constprop.0+0xb0/0x240\n[ 86.526751] do_el0_svc+0x4c/0x70\n[ 86.527251] el0_svc+0x4c/0xc0\n[ 86.527719] el0t_64_sync_handler+0x144/0x168\n[ 86.528367] el0t_64_sync+0x198/0x1a0\n[ 86.528920]\n[ 86.529157] The buggy address belongs to the physical page:\n[ 86.529972] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff0000d46fd4d0 pfn:0x1146fc\n[ 86.531319] flags: 0xbfffc0000000000(node=0|zone=2|lastcpupid=0xffff)\n[ 86.532267] raw: 0bfffc0000000000 0000000000000000 dead000000000122 0000000000000000\n[ 86.533390] raw: ffff0000d46fd4d0 0000000000000000 00000000ffffffff 0000000000000000\n[ 86.534511] page dumped because: kasan: bad access detected\n[ 86.535323]\n[ 86.535559] Memory state around the buggy address:\n[ 86.536265] ffff0000d46fbf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.537314] ffff0000d46fbf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.538363] >ffff0000d46fc000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.544733] ^\n[ 86.551057] ffff0000d46fc080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.557510] ffff0000d46fc100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.563928] ==================================================================\n[ 86.571093] Disabling lock debugging due to kernel taint\n[ 86.577642] Unable to handle kernel paging request at virtual address e0e9c0920000000b\n[ 86.581834] KASAN: maybe wild-memory-access in range [0x0752049000000058-0x075204900000005f]\n..."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/mediatek/mtk_drm_drv.c"], "versions": [{"version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "7083b93e9755d60f0c2bcaa9d064308108280534", "status": "affected", "versionType": "git"}, {"version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "078b2ff7da200b7532398e668eef723ad40fb516", "status": "affected", "versionType": "git"}, {"version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "36684e9d88a2e2401ae26715a2e217cb4295cea7", "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/gpu/drm/mediatek/mtk_drm_drv.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.72", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.10", "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": "6.4", "versionEndExcluding": "6.6.72"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.12.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7083b93e9755d60f0c2bcaa9d064308108280534"}, {"url": "https://git.kernel.org/stable/c/078b2ff7da200b7532398e668eef723ad40fb516"}, {"url": "https://git.kernel.org/stable/c/36684e9d88a2e2401ae26715a2e217cb4295cea7"}], "title": "drm/mediatek: Set private->all_drm_private[i]->drm to NULL if mtk_drm_bind returns err", "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-2024-57926", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-11T15:40:53.635333Z"}}}], "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": "2025-02-11T15:45:19.288Z"}}]}}

{"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-2024-57926", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-11T15:40:53.635333Z"}}}], "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": "2025-02-11T15:40:55.134Z"}}], "cna": {"title": "drm/mediatek: Set private->all_drm_private[i]->drm to NULL if mtk_drm_bind returns err", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "7083b93e9755d60f0c2bcaa9d064308108280534", "versionType": "git"}, {"status": "affected", "version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "078b2ff7da200b7532398e668eef723ad40fb516", "versionType": "git"}, {"status": "affected", "version": "1ef7ed48356cd5f9af2b7671956991b658d8c2ba", "lessThan": "36684e9d88a2e2401ae26715a2e217cb4295cea7", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/mediatek/mtk_drm_drv.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"status": "unaffected", "version": "0", "lessThan": "6.4", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.72", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.10", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/mediatek/mtk_drm_drv.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/7083b93e9755d60f0c2bcaa9d064308108280534"}, {"url": "https://git.kernel.org/stable/c/078b2ff7da200b7532398e668eef723ad40fb516"}, {"url": "https://git.kernel.org/stable/c/36684e9d88a2e2401ae26715a2e217cb4295cea7"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: Set private->all_drm_private[i]->drm to NULL if mtk_drm_bind returns err\n\nThe pointer need to be set to NULL, otherwise KASAN complains about\nuse-after-free. Because in mtk_drm_bind, all private's drm are set\nas follows.\n\nprivate->all_drm_private[i]->drm = drm;\n\nAnd drm will be released by drm_dev_put in case mtk_drm_kms_init returns\nfailure. However, the shutdown path still accesses the previous allocated\nmemory in drm_atomic_helper_shutdown.\n\n[ 84.874820] watchdog: watchdog0: watchdog did not stop!\n[ 86.512054] ==================================================================\n[ 86.513162] BUG: KASAN: use-after-free in drm_atomic_helper_shutdown+0x33c/0x378\n[ 86.514258] Read of size 8 at addr ffff0000d46fc068 by task shutdown/1\n[ 86.515213]\n[ 86.515455] CPU: 1 UID: 0 PID: 1 Comm: shutdown Not tainted 6.13.0-rc1-mtk+gfa1a78e5d24b-dirty #55\n[ 86.516752] Hardware name: Unknown Product/Unknown Product, BIOS 2022.10 10/01/2022\n[ 86.517960] Call trace:\n[ 86.518333] show_stack+0x20/0x38 (C)\n[ 86.518891] dump_stack_lvl+0x90/0xd0\n[ 86.519443] print_report+0xf8/0x5b0\n[ 86.519985] kasan_report+0xb4/0x100\n[ 86.520526] __asan_report_load8_noabort+0x20/0x30\n[ 86.521240] drm_atomic_helper_shutdown+0x33c/0x378\n[ 86.521966] mtk_drm_shutdown+0x54/0x80\n[ 86.522546] platform_shutdown+0x64/0x90\n[ 86.523137] device_shutdown+0x260/0x5b8\n[ 86.523728] kernel_restart+0x78/0xf0\n[ 86.524282] __do_sys_reboot+0x258/0x2f0\n[ 86.524871] __arm64_sys_reboot+0x90/0xd8\n[ 86.525473] invoke_syscall+0x74/0x268\n[ 86.526041] el0_svc_common.constprop.0+0xb0/0x240\n[ 86.526751] do_el0_svc+0x4c/0x70\n[ 86.527251] el0_svc+0x4c/0xc0\n[ 86.527719] el0t_64_sync_handler+0x144/0x168\n[ 86.528367] el0t_64_sync+0x198/0x1a0\n[ 86.528920]\n[ 86.529157] The buggy address belongs to the physical page:\n[ 86.529972] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff0000d46fd4d0 pfn:0x1146fc\n[ 86.531319] flags: 0xbfffc0000000000(node=0|zone=2|lastcpupid=0xffff)\n[ 86.532267] raw: 0bfffc0000000000 0000000000000000 dead000000000122 0000000000000000\n[ 86.533390] raw: ffff0000d46fd4d0 0000000000000000 00000000ffffffff 0000000000000000\n[ 86.534511] page dumped because: kasan: bad access detected\n[ 86.535323]\n[ 86.535559] Memory state around the buggy address:\n[ 86.536265] ffff0000d46fbf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.537314] ffff0000d46fbf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.538363] >ffff0000d46fc000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.544733] ^\n[ 86.551057] ffff0000d46fc080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.557510] ffff0000d46fc100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.563928] ==================================================================\n[ 86.571093] Disabling lock debugging due to kernel taint\n[ 86.577642] Unable to handle kernel paging request at virtual address e0e9c0920000000b\n[ 86.581834] KASAN: maybe wild-memory-access in range [0x0752049000000058-0x075204900000005f]\n..."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.72", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.10", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.13", "versionStartIncluding": "6.4"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T10:06:47.533Z"}}}, "cveMetadata": {"cveId": "CVE-2024-57926", "state": "PUBLISHED", "dateUpdated": "2025-05-04T10:06:47.533Z", "dateReserved": "2025-01-19T11:50:08.376Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-01-19T11:52:43.915Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8963EE3B-CE8E-4E38-9781-95B490EAC04B", "versionEndExcluding": "6.6.72", "versionStartIncluding": "6.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "02D604F6-10D1-4F7B-A022-0888406A1121", "versionEndExcluding": "6.12.10", "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}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*", "matchCriteriaId": "DE491969-75AE-4A6B-9A58-8FC5AF98798F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*", "matchCriteriaId": "93C0660D-7FB8-4FBA-892A-B064BA71E49E", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*", "matchCriteriaId": "034C36A6-C481-41F3-AE9A-D116E5BE6895", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*", "matchCriteriaId": "8AF9DC49-2085-4FFB-A7E3-73DFAFECC7F2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: Set private->all_drm_private[i]->drm to NULL if mtk_drm_bind returns err\n\nThe pointer need to be set to NULL, otherwise KASAN complains about\nuse-after-free. Because in mtk_drm_bind, all private's drm are set\nas follows.\n\nprivate->all_drm_private[i]->drm = drm;\n\nAnd drm will be released by drm_dev_put in case mtk_drm_kms_init returns\nfailure. However, the shutdown path still accesses the previous allocated\nmemory in drm_atomic_helper_shutdown.\n\n[ 84.874820] watchdog: watchdog0: watchdog did not stop!\n[ 86.512054] ==================================================================\n[ 86.513162] BUG: KASAN: use-after-free in drm_atomic_helper_shutdown+0x33c/0x378\n[ 86.514258] Read of size 8 at addr ffff0000d46fc068 by task shutdown/1\n[ 86.515213]\n[ 86.515455] CPU: 1 UID: 0 PID: 1 Comm: shutdown Not tainted 6.13.0-rc1-mtk+gfa1a78e5d24b-dirty #55\n[ 86.516752] Hardware name: Unknown Product/Unknown Product, BIOS 2022.10 10/01/2022\n[ 86.517960] Call trace:\n[ 86.518333] show_stack+0x20/0x38 (C)\n[ 86.518891] dump_stack_lvl+0x90/0xd0\n[ 86.519443] print_report+0xf8/0x5b0\n[ 86.519985] kasan_report+0xb4/0x100\n[ 86.520526] __asan_report_load8_noabort+0x20/0x30\n[ 86.521240] drm_atomic_helper_shutdown+0x33c/0x378\n[ 86.521966] mtk_drm_shutdown+0x54/0x80\n[ 86.522546] platform_shutdown+0x64/0x90\n[ 86.523137] device_shutdown+0x260/0x5b8\n[ 86.523728] kernel_restart+0x78/0xf0\n[ 86.524282] __do_sys_reboot+0x258/0x2f0\n[ 86.524871] __arm64_sys_reboot+0x90/0xd8\n[ 86.525473] invoke_syscall+0x74/0x268\n[ 86.526041] el0_svc_common.constprop.0+0xb0/0x240\n[ 86.526751] do_el0_svc+0x4c/0x70\n[ 86.527251] el0_svc+0x4c/0xc0\n[ 86.527719] el0t_64_sync_handler+0x144/0x168\n[ 86.528367] el0t_64_sync+0x198/0x1a0\n[ 86.528920]\n[ 86.529157] The buggy address belongs to the physical page:\n[ 86.529972] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff0000d46fd4d0 pfn:0x1146fc\n[ 86.531319] flags: 0xbfffc0000000000(node=0|zone=2|lastcpupid=0xffff)\n[ 86.532267] raw: 0bfffc0000000000 0000000000000000 dead000000000122 0000000000000000\n[ 86.533390] raw: ffff0000d46fd4d0 0000000000000000 00000000ffffffff 0000000000000000\n[ 86.534511] page dumped because: kasan: bad access detected\n[ 86.535323]\n[ 86.535559] Memory state around the buggy address:\n[ 86.536265] ffff0000d46fbf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.537314] ffff0000d46fbf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.538363] >ffff0000d46fc000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.544733] ^\n[ 86.551057] ffff0000d46fc080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.557510] ffff0000d46fc100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.563928] ==================================================================\n[ 86.571093] Disabling lock debugging due to kernel taint\n[ 86.577642] Unable to handle kernel paging request at virtual address e0e9c0920000000b\n[ 86.581834] KASAN: maybe wild-memory-access in range [0x0752049000000058-0x075204900000005f]\n..."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/mediatek: Establecer private->all_drm_private[i]->drm en NULL si mtk_drm_bind devuelve err El puntero debe establecerse en NULL, de lo contrario KASAN se queja de use-after-free. Porque en mtk_drm_bind, todos los drm de private se establecen de la siguiente manera. private->all_drm_private[i]->drm = drm; Y drm ser\u00e1 liberado por drm_dev_put en caso de que mtk_drm_kms_init devuelva un error. Sin embargo, la ruta de apagado a\u00fan accede a la memoria asignada previamente en drm_atomic_helper_shutdown. [ 84.874820] watchdog: watchdog0: \u00a1watchdog no se detuvo! [ 86.512054] ======================================================================= [ 86.513162] ERROR: KASAN: use-after-free en drm_atomic_helper_shutdown+0x33c/0x378 [ 86.514258] Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff0000d46fc068 por la tarea shutdown/1 [ 86.515213] [ 86.515455] CPU: 1 UID: 0 PID: 1 Comm: shutdown No contaminado 6.13.0-rc1-mtk+gfa1a78e5d24b-dirty #55 [ 86.516752] Nombre del hardware: Producto desconocido/Producto desconocido, BIOS 2022.10 10/01/2022 [ 86.517960] Rastreo de llamadas: [ 86.518333] show_stack+0x20/0x38 (C) [ 86.518891] dump_stack_lvl+0x90/0xd0 [ 86.519443] print_report+0xf8/0x5b0 [ 86.519985] kasan_report+0xb4/0x100 [ 86.520526] __asan_report_load8_noabort+0x20/0x30 [ 86.521240] drm_atomic_helper_shutdown+0x33c/0x378 [ 86.521966] apagado_drm_mtk+0x54/0x80 [ 86.522546] apagado_plataforma+0x64/0x90 [ 86.523137] apagado_dispositivo+0x260/0x5b8 [ 86.523728] reinicio_n\u00facleo+0x78/0xf0 [ 86.524282] __do_sys_reboot+0x258/0x2f0 [ 86.524871] __arm64_sys_reboot+0x90/0xd8 [ 86.525473] invocar_syscall+0x74/0x268 [ 86.526041] el0_svc_common.constprop.0+0xb0/0x240 [ 86.526751] do_el0_svc+0x4c/0x70 [ 86.527251] el0_svc+0x4c/0xc0 [ 86.527719] el0t_64_sync_handler+0x144/0x168 [ 86.528367] el0t_64_sync+0x198/0x1a0 [ 86.528920] [ 86.529157] La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: [ 86.529972] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff0000d46fd4d0 pfn:0x1146fc [86.531319] indicadores: 0xbfffc0000000000(node=0|zone=2|lastcpupid=0xffff) [86.532267] sin procesar: 0bfffc0000000000 0000000000000000 dead000000000122 0000000000000000 [86.533390] sin procesar: ffff0000d46fd4d0 000000000000000 00000000ffffffff 0000000000000000 [86.534511] p\u00e1gina volcada porque: kasan: se detect\u00f3 un acceso incorrecto [ 86.535323] [ 86.535559] Estado de la memoria alrededor de la direcci\u00f3n con errores: [ 86.536265] ffff0000d46fbf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 86.537314] ffff0000d46fbf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 86.538363] >ffff0000d46fc000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 86.544733] ^ [ 86.551057] ffff0000d46fc080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 86.557510] ffff0000d46fc100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 86.563928] ===================================================================== [ 86.571093] Deshabilitando la depuraci\u00f3n de bloqueo debido a una corrupci\u00f3n del kernel [ 86.577642] No se puede gestionar la solicitud de paginaci\u00f3n del kernel en la direcci\u00f3n virtual e0e9c0920000000b [ 86.581834] KASAN: tal vez acceso a memoria salvaje en el rango [0x0752049000000058-0x075204900000005f] ..."}], "id": "CVE-2024-57926", "lastModified": "2025-02-11T16:15:49.340", "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": "2025-01-19T12:15:26.713", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/078b2ff7da200b7532398e668eef723ad40fb516"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/36684e9d88a2e2401ae26715a2e217cb4295cea7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7083b93e9755d60f0c2bcaa9d064308108280534"}], "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"}]}

{"bugzilla": {"description": "kernel: drm/mediatek: Set private->all_drm_private[i]->drm to NULL if mtk_drm_bind returns err", "id": "2338856", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2338856"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/mediatek: Set private->all_drm_private[i]->drm to NULL if mtk_drm_bind returns err\nThe pointer need to be set to NULL, otherwise KASAN complains about\nuse-after-free. Because in mtk_drm_bind, all private's drm are set\nas follows.\nprivate->all_drm_private[i]->drm = drm;\nAnd drm will be released by drm_dev_put in case mtk_drm_kms_init returns\nfailure. However, the shutdown path still accesses the previous allocated\nmemory in drm_atomic_helper_shutdown.\n[ 84.874820] watchdog: watchdog0: watchdog did not stop!\n[ 86.512054] ==================================================================\n[ 86.513162] BUG: KASAN: use-after-free in drm_atomic_helper_shutdown+0x33c/0x378\n[ 86.514258] Read of size 8 at addr ffff0000d46fc068 by task shutdown/1\n[ 86.515213]\n[ 86.515455] CPU: 1 UID: 0 PID: 1 Comm: shutdown Not tainted 6.13.0-rc1-mtk+gfa1a78e5d24b-dirty #55\n[ 86.516752] Hardware name: Unknown Product/Unknown Product, BIOS 2022.10 10/01/2022\n[ 86.517960] Call trace:\n[ 86.518333] show_stack+0x20/0x38 (C)\n[ 86.518891] dump_stack_lvl+0x90/0xd0\n[ 86.519443] print_report+0xf8/0x5b0\n[ 86.519985] kasan_report+0xb4/0x100\n[ 86.520526] __asan_report_load8_noabort+0x20/0x30\n[ 86.521240] drm_atomic_helper_shutdown+0x33c/0x378\n[ 86.521966] mtk_drm_shutdown+0x54/0x80\n[ 86.522546] platform_shutdown+0x64/0x90\n[ 86.523137] device_shutdown+0x260/0x5b8\n[ 86.523728] kernel_restart+0x78/0xf0\n[ 86.524282] __do_sys_reboot+0x258/0x2f0\n[ 86.524871] __arm64_sys_reboot+0x90/0xd8\n[ 86.525473] invoke_syscall+0x74/0x268\n[ 86.526041] el0_svc_common.constprop.0+0xb0/0x240\n[ 86.526751] do_el0_svc+0x4c/0x70\n[ 86.527251] el0_svc+0x4c/0xc0\n[ 86.527719] el0t_64_sync_handler+0x144/0x168\n[ 86.528367] el0t_64_sync+0x198/0x1a0\n[ 86.528920]\n[ 86.529157] The buggy address belongs to the physical page:\n[ 86.529972] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff0000d46fd4d0 pfn:0x1146fc\n[ 86.531319] flags: 0xbfffc0000000000(node=0|zone=2|lastcpupid=0xffff)\n[ 86.532267] raw: 0bfffc0000000000 0000000000000000 dead000000000122 0000000000000000\n[ 86.533390] raw: ffff0000d46fd4d0 0000000000000000 00000000ffffffff 0000000000000000\n[ 86.534511] page dumped because: kasan: bad access detected\n[ 86.535323]\n[ 86.535559] Memory state around the buggy address:\n[ 86.536265] ffff0000d46fbf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.537314] ffff0000d46fbf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.538363] >ffff0000d46fc000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.544733] ^\n[ 86.551057] ffff0000d46fc080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.557510] ffff0000d46fc100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff\n[ 86.563928] ==================================================================\n[ 86.571093] Disabling lock debugging due to kernel taint\n[ 86.577642] Unable to handle kernel paging request at virtual address e0e9c0920000000b\n[ 86.581834] KASAN: maybe wild-memory-access in range [0x0752049000000058-0x075204900000005f]\n..."], "name": "CVE-2024-57926", "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": "2025-01-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-57926\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-57926\nhttps://lore.kernel.org/linux-cve-announce/2025011944-CVE-2024-57926-023f@gregkh/T"], "threat_severity": "Important"}

{}