{"id":"CVE-2026-43195","state":"PUBLISHED","title":"drm/amdgpu: validate user queue size constraints","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: validate user queue size constraints\n\nAdd validation to ensure user queue sizes meet hardware requirements:\n- Size must be a power of two for efficient ring buffer wrapping\n- Size must be at least AMDGPU_GPU_PAGE_SIZE to prevent undersized allocations\n\nThis prevents invalid configurations that could lead to GPU faults or\nunexpected behavior.","publishedAt":"2026-05-06T11:28:03.437Z","updatedAt":"2026-05-11T22:19:41.010Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fbf136b932358da1c65eb6fedd064a33a7a96aaa","status":"affected","lessThan":"cf2a37be899dc1b01f53bf1d0157330eaf3e3f55","versionType":"git"},{"version":"fbf136b932358da1c65eb6fedd064a33a7a96aaa","status":"affected","lessThan":"9f6cc309cd15922fe58cab2dfa1b5993ad31dec7","versionType":"git"},{"version":"fbf136b932358da1c65eb6fedd064a33a7a96aaa","status":"affected","lessThan":"8079b87c02e531cc91601f72ea8336dd2262fdf1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c"]}],"references":["https://git.kernel.org/stable/c/cf2a37be899dc1b01f53bf1d0157330eaf3e3f55","https://git.kernel.org/stable/c/9f6cc309cd15922fe58cab2dfa1b5993ad31dec7","https://git.kernel.org/stable/c/8079b87c02e531cc91601f72ea8336dd2262fdf1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43195.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43195","state":"PUBLISHED","datePublished":"2026-05-06T11:28:03.437Z","dateUpdated":"2026-05-11T22:19:41.010Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.992Z"},"containers":{"cna":{"title":"drm/amdgpu: validate user queue size constraints","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: validate user queue size constraints\n\nAdd validation to ensure user queue sizes meet hardware requirements:\n- Size must be a power of two for efficient ring buffer wrapping\n- Size must be at least AMDGPU_GPU_PAGE_SIZE to prevent undersized allocations\n\nThis prevents invalid configurations that could lead to GPU faults or\nunexpected behavior."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fbf136b932358da1c65eb6fedd064a33a7a96aaa","status":"affected","lessThan":"cf2a37be899dc1b01f53bf1d0157330eaf3e3f55","versionType":"git"},{"version":"fbf136b932358da1c65eb6fedd064a33a7a96aaa","status":"affected","lessThan":"9f6cc309cd15922fe58cab2dfa1b5993ad31dec7","versionType":"git"},{"version":"fbf136b932358da1c65eb6fedd064a33a7a96aaa","status":"affected","lessThan":"8079b87c02e531cc91601f72ea8336dd2262fdf1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/cf2a37be899dc1b01f53bf1d0157330eaf3e3f55"},{"url":"https://git.kernel.org/stable/c/9f6cc309cd15922fe58cab2dfa1b5993ad31dec7"},{"url":"https://git.kernel.org/stable/c/8079b87c02e531cc91601f72ea8336dd2262fdf1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:19:41.010Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}