{"dataType":"CVE_RECORD","dataVersion":"5.1","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":"2025-05-04T10:06:47.533Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T10:06:47.533Z"},"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"}}]}}