{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47253","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-04-10T18:59:19.538Z","datePublished":"2024-05-21T14:19:48.825Z","dateUpdated":"2025-07-11T17:18:58.229Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-07-11T17:18:58.229Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix potential memory leak in DMUB hw_init\n\n[Why]\nOn resume we perform DMUB hw_init which allocates memory:\ndm_resume->dm_dmub_hw_init->dc_dmub_srv_create->kzalloc\nThat results in memory leak in suspend/resume scenarios.\n\n[How]\nAllocate memory for the DC wrapper to DMUB only if it was not\nallocated before.\nNo need to reallocate it on suspend/resume."}],"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/display/amdgpu_dm/amdgpu_dm.c"],"versions":[{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"9e8c2af010463197315fa54a6c17e74988b5259c","status":"affected","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"aa000f828e60ac15d6340f606ec4a673966f5b0b","status":"affected","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"c5699e2d863f58221044efdc3fa712dd32d55cde","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/display/amdgpu_dm/amdgpu_dm.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"5.10.45","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.12.12","lessThanOrEqual":"5.12.*","status":"unaffected","versionType":"semver"},{"version":"5.13","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":"4.15","versionEndExcluding":"5.10.45"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.12.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/9e8c2af010463197315fa54a6c17e74988b5259c"},{"url":"https://git.kernel.org/stable/c/aa000f828e60ac15d6340f606ec4a673966f5b0b"},{"url":"https://git.kernel.org/stable/c/c5699e2d863f58221044efdc3fa712dd32d55cde"}],"title":"drm/amd/display: Fix potential memory leak in DMUB hw_init","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:32:08.043Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/9e8c2af010463197315fa54a6c17e74988b5259c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/aa000f828e60ac15d6340f606ec4a673966f5b0b","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c5699e2d863f58221044efdc3fa712dd32d55cde","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47253","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:39:54.495894Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:33:12.019Z"}}]}}