{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93139","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-17T16:02:15.088Z","datePublished":"2026-09-17T16:11:39.448Z","dateUpdated":"2026-09-17T16:11:39.448Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-17T16:11:39.448Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC\n\nThe loop iterated only AMDGPU_MAX_MES_PIPES times, leaving entries\nuninitialized for multi-XCC GPUs. This causes null pointer dereferences\nwhen accessing arrays indexed by XCC ID >= 2. Extend the loop to cover\nall XCCs (AMDGPU_MAX_MES_PIPES * num_xcc), matching other per-XCC\narrays."}],"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/amdgpu/amdgpu_mes.c"],"versions":[{"version":"a132fc9bc2f8b394a2f75947a0e1f5c22482a94c","lessThan":"7ff668cfc3960ed5b944ac35129f18a15ea08b74","status":"affected","versionType":"git"},{"version":"a132fc9bc2f8b394a2f75947a0e1f5c22482a94c","lessThan":"2c256086a363f01f9840a57949506eccf5c990a6","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/amdgpu/amdgpu_mes.c"],"versions":[{"version":"7.2","status":"affected"},{"version":"0","lessThan":"7.2","status":"unaffected","versionType":"semver"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","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":"7.2","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.2","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7ff668cfc3960ed5b944ac35129f18a15ea08b74"},{"url":"https://git.kernel.org/stable/c/2c256086a363f01f9840a57949506eccf5c990a6"}],"title":"drm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC","x_generator":{"engine":"bippy-1.2.0"}}}}