{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40191","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.177Z","datePublished":"2025-11-12T21:56:31.206Z","dateUpdated":"2026-05-11T21:44:31.297Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:44:31.297Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix kfd process ref leaking when userptr unmapping\n\nkfd_lookup_process_by_pid hold the kfd process reference to ensure it\ndoesn't get destroyed while sending the segfault event to user space.\n\nCalling kfd_lookup_process_by_pid as function parameter leaks the kfd\nprocess refcount and miss the NULL pointer check if app process is\nalready destroyed."}],"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_amdkfd_gpuvm.c"],"versions":[{"version":"2d274bf7099bc5e95fabaa93f23d0eb2977187ad","lessThan":"60f6112fc9b3ba0eae519f10702c0c13bab45742","status":"affected","versionType":"git"},{"version":"2d274bf7099bc5e95fabaa93f23d0eb2977187ad","lessThan":"58e6fc2fb94f0f409447e5d46cf6a417b6397fbc","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_amdkfd_gpuvm.c"],"versions":[{"version":"6.16","status":"affected"},{"version":"0","lessThan":"6.16","status":"unaffected","versionType":"semver"},{"version":"6.17.4","lessThanOrEqual":"6.17.*","status":"unaffected","versionType":"semver"},{"version":"6.18","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":"6.16","versionEndExcluding":"6.17.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/60f6112fc9b3ba0eae519f10702c0c13bab45742"},{"url":"https://git.kernel.org/stable/c/58e6fc2fb94f0f409447e5d46cf6a417b6397fbc"}],"title":"drm/amdkfd: Fix kfd process ref leaking when userptr unmapping","x_generator":{"engine":"bippy-1.2.0"}}}}