{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46197","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.104Z","datePublished":"2026-05-28T09:40:13.722Z","dateUpdated":"2026-06-14T18:01:58.427Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T18:01:58.427Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: validate SVM ioctl nattr against buffer size\n\nValidate nattr field against the buffer size, preventing\nout-of-bounds buffer access via user-controlled attribute count.\n\n(cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_chardev.c","drivers/gpu/drm/amd/amdkfd/kfd_priv.h"],"versions":[{"version":"42de677f79999791bee4e21be318c32d90ab62c6","lessThan":"daa8bc5f83814b55b71d2b5b3a090d57a5219c21","status":"affected","versionType":"git"},{"version":"42de677f79999791bee4e21be318c32d90ab62c6","lessThan":"fb07a0c9c8419164812e07274947f11b1d92dd61","status":"affected","versionType":"git"},{"version":"42de677f79999791bee4e21be318c32d90ab62c6","lessThan":"91c6dc5a41695d02dfc6299f106ac38a6c493e52","status":"affected","versionType":"git"},{"version":"42de677f79999791bee4e21be318c32d90ab62c6","lessThan":"ccd060b5c7cc75ae7e211c250b97c5b6272e7efc","status":"affected","versionType":"git"},{"version":"42de677f79999791bee4e21be318c32d90ab62c6","lessThan":"db9530a9873a7c85d2266a922589ebcf427fa631","status":"affected","versionType":"git"},{"version":"42de677f79999791bee4e21be318c32d90ab62c6","lessThan":"6abd3a4417cb73a7d0db7e25bf11fae1074bdba3","status":"affected","versionType":"git"},{"version":"42de677f79999791bee4e21be318c32d90ab62c6","lessThan":"045e0ff208f0838a246c10204105126611b267a1","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/amd/amdkfd/kfd_chardev.c","drivers/gpu/drm/amd/amdkfd/kfd_priv.h"],"versions":[{"version":"5.14","status":"affected"},{"version":"0","lessThan":"5.14","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.90","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.32","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.9","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"5.14","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.12.90"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.18.32"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"7.0.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21"},{"url":"https://git.kernel.org/stable/c/fb07a0c9c8419164812e07274947f11b1d92dd61"},{"url":"https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52"},{"url":"https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc"},{"url":"https://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631"},{"url":"https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3"},{"url":"https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1"}],"title":"drm/amdkfd: validate SVM ioctl nattr against buffer size","x_generator":{"engine":"bippy-1.2.0"}}}}