{"id":"CVE-2026-68108","revision":null,"records":[{"revision":"5d4748cdc1494ea8b1d65c87d1efd1bf","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-68108","aliases":[],"title":"drm/amdgpu/vce: fix integer overflow in image size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/vce: fix integer overflow in image size\n\nFix a security vulnerability where malicious VCE command streams\nwith oversized dimensions (e.g. 65536×65536) cause 32-bit integer\noverflow, wrapping the calculated buffer size to 0. This bypasses\nvalidation and allows GPU firmware to perform out-of-bound memory\naccess.\n\nThe fix uses 64-bit arithmetic to detect overflow and rejects\ninvalid dimensions before they reach the hardware.\n\nV2: remove redundant check\nV3: modify max height value\nV4: remove size64\n\n(cherry picked from commit cbe408dba581755ad1279a487ec786d8927d778d)","state":0,"publishedAt":"2026-08-10T11:58:25.241+00:00","modifiedAt":"2026-10-19T20:58:51.134+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/amdgpu/amdgpu_vce.c\"\n ],\n \"versions\": [\n {\n \"version\": \"f1689ec1b0b1256d0e69653cd4aaeee44aafdf5c\",\n \"lessThan\": \"893db20383800cfe92e638705984eebb13bc81a5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f1689ec1b0b1256d0e69653cd4aaeee44aafdf5c\",\n \"lessThan\": \"a07430abd556de3707adfcadcc60db3fa64e4b2b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f1689ec1b0b1256d0e69653cd4aaeee44aafdf5c\",\n \"lessThan\": \"a6d7065b91a14790980ce6f4960db0ca8c3c9940\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f1689ec1b0b1256d0e69653cd4aaeee44aafdf5c\",\n \"lessThan\": \"7eebef042c12dfe0568593ee6a8926d16505925e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f1689ec1b0b1256d0e69653cd4aaeee44aafdf5c\",\n \"lessThan\": \"00c311a13d225266800c712f2b7db2711c6897de\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f1689ec1b0b1256d0e69653cd4aaeee44aafdf5c\",\n \"lessThan\": \"186bfdc4e26d019b2e7570cb121964a1d89b2e5b\",\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/amdgpu/amdgpu_vce.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.2\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.2\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.183\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.148\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.101\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.42\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.6\",\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:C/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/893db20383800cfe92e638705984eebb13bc81a5","https://git.kernel.org/stable/c/a07430abd556de3707adfcadcc60db3fa64e4b2b","https://git.kernel.org/stable/c/a6d7065b91a14790980ce6f4960db0ca8c3c9940","https://git.kernel.org/stable/c/7eebef042c12dfe0568593ee6a8926d16505925e","https://git.kernel.org/stable/c/00c311a13d225266800c712f2b7db2711c6897de","https://git.kernel.org/stable/c/186bfdc4e26d019b2e7570cb121964a1d89b2e5b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68108","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-68108","identifiers":["CVE-2026-68108"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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