{"id":"CVE-2021-47431","state":"PUBLISHED","title":"drm/amdgpu: fix gart.bo pin_count leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix gart.bo pin_count leak\n\ngmc_v{9,10}_0_gart_disable() isn't called matched with\ncorrespoding gart_enbale function in SRIOV case. This will\nlead to gart.bo pin_count leak on driver unload.","publishedAt":"2024-05-21T15:04:16.014Z","updatedAt":"2026-08-11T02:05:22.232Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5dd696ae5d648b412a29b314c50e5dcf65829b9d","status":"affected","lessThan":"83d857d6b0967b6709cd38750c3ce2ed8ced1a95","versionType":"git"},{"version":"5dd696ae5d648b412a29b314c50e5dcf65829b9d","status":"affected","lessThan":"621ddffb70db824eabd63d18ac635180fe9500f9","versionType":"git"},{"version":"5dd696ae5d648b412a29b314c50e5dcf65829b9d","status":"affected","lessThan":"18d1c5ea3798ba42cfa0f8b2264d873463facb03","versionType":"git"},{"version":"5dd696ae5d648b412a29b314c50e5dcf65829b9d","status":"affected","lessThan":"66805763a97f8f7bdf742fc0851d85c02ed9411f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c","drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"5.4.154","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.74","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.14.13","status":"unaffected","lessThanOrEqual":"5.14.*","versionType":"semver"},{"version":"5.15","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/gmc_v10_0.c","drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"]}],"references":["https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95","https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9","https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03","https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47431.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47431","state":"PUBLISHED","datePublished":"2024-05-21T15:04:16.014Z","dateUpdated":"2026-08-11T02:05:22.232Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-21T14:58:30.829Z"},"containers":{"cna":{"title":"drm/amdgpu: fix gart.bo pin_count leak","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix gart.bo pin_count leak\n\ngmc_v{9,10}_0_gart_disable() isn't called matched with\ncorrespoding gart_enbale function in SRIOV case. 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