{"id":"CVE-2026-72449","revision":null,"records":[{"revision":"26d9995df5ae4520bf866847d2ba8fe9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72449","aliases":[],"title":"drm/amdkfd: fix list_del corruption in kfd_criu_resume_svm","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: fix list_del corruption in kfd_criu_resume_svm\n\nThe cleanup tail of kfd_criu_resume_svm() walks\nsvms->criu_svm_metadata_list and kfree()s each struct criu_svm_metadata\nwithout removing it from the list. The list head is left pointing at\nfreed kmalloc-96 objects.\n\nA second AMDKFD_IOC_CRIU_OP from the same process re-enters: list_empty()\nreads the dangling ->next (use-after-free), the loop walks freed entries,\nand each is kfree()'d again (double-free). This is reachable by an\nunprivileged render-group user via /dev/kfd with no capabilities required.\n\nAdd list_del() before the kfree() so the list is properly emptied. The\nlist_for_each_entry_safe() iterator already caches the next pointer, so\nunlinking during the walk is safe.\n\n(cherry picked from commit 6322d278a298e2c1430b9d2697743d3a04b788b1)","state":0,"publishedAt":"2026-08-15T05:56:58.313+00:00","modifiedAt":"2026-10-16T18:55:24.681+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/gpu/drm/amd/amdkfd/kfd_svm.c\"\n ],\n \"versions\": [\n {\n \"version\": \"2a909ae718715b3bac75d945e38dc0a5e4a0f1ba\",\n \"lessThan\": \"c8a8d350a273c005a48c64c4519d21b2a51c5ceb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2a909ae718715b3bac75d945e38dc0a5e4a0f1ba\",\n \"lessThan\": \"506e635aed05dbdeef11e3c59f6e42980cda5b6d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2a909ae718715b3bac75d945e38dc0a5e4a0f1ba\",\n \"lessThan\": \"838b57b3e7ce8cce0fda56d0861add3d464dd6c8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2a909ae718715b3bac75d945e38dc0a5e4a0f1ba\",\n \"lessThan\": \"96ac562a9ea3020981f536384711190841c81aa8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2a909ae718715b3bac75d945e38dc0a5e4a0f1ba\",\n \"lessThan\": \"e33a3bd5cb8d0cf1557dee014115f812c9686130\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2a909ae718715b3bac75d945e38dc0a5e4a0f1ba\",\n \"lessThan\": \"8fa5655da368d0306c03e9dc9cda8ae2a7840926\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/gpu/drm/amd/amdkfd/kfd_svm.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.18\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.18\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.178\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.145\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.97\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.40\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.5\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/c8a8d350a273c005a48c64c4519d21b2a51c5ceb","https://git.kernel.org/stable/c/506e635aed05dbdeef11e3c59f6e42980cda5b6d","https://git.kernel.org/stable/c/838b57b3e7ce8cce0fda56d0861add3d464dd6c8","https://git.kernel.org/stable/c/96ac562a9ea3020981f536384711190841c81aa8","https://git.kernel.org/stable/c/e33a3bd5cb8d0cf1557dee014115f812c9686130","https://git.kernel.org/stable/c/8fa5655da368d0306c03e9dc9cda8ae2a7840926"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72449","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72449","identifiers":["CVE-2026-72449"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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