{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47534","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-24T15:02:54.826Z","datePublished":"2024-05-24T15:09:43.344Z","dateUpdated":"2025-05-04T07:13:01.395Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:13:01.395Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: kms: Add missing drm_crtc_commit_put\n\nCommit 9ec03d7f1ed3 (\"drm/vc4: kms: Wait on previous FIFO users before a\ncommit\") introduced a global state for the HVS, with each FIFO storing\nthe current CRTC commit so that we can properly synchronize commits.\n\nHowever, the refcounting was off and we thus ended up leaking the\ndrm_crtc_commit structure every commit. Add a drm_crtc_commit_put to\nprevent the leakage."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/vc4/vc4_kms.c"],"versions":[{"version":"9ec03d7f1ed394897891319a4dda75f52c5d292d","lessThan":"53f9601e908d42481addd67cdb01a9288c611124","status":"affected","versionType":"git"},{"version":"9ec03d7f1ed394897891319a4dda75f52c5d292d","lessThan":"049cfff8d53a30cae3349ff71a4c01b7d9981bc2","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/vc4/vc4_kms.c"],"versions":[{"version":"5.12","status":"affected"},{"version":"0","lessThan":"5.12","status":"unaffected","versionType":"semver"},{"version":"5.15.7","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16","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":"5.12","versionEndExcluding":"5.15.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/53f9601e908d42481addd67cdb01a9288c611124"},{"url":"https://git.kernel.org/stable/c/049cfff8d53a30cae3349ff71a4c01b7d9981bc2"}],"title":"drm/vc4: kms: Add missing drm_crtc_commit_put","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-noinfo Not enough information"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.1,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"HIGH","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-05-29T16:50:30.871991Z","id":"CVE-2021-47534","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-11-07T16:13:57.750Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:39:59.777Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/53f9601e908d42481addd67cdb01a9288c611124","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/049cfff8d53a30cae3349ff71a4c01b7d9981bc2","tags":["x_transferred"]}]}]}}