{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47655","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T01:48:21.520Z","datePublished":"2025-02-26T01:54:19.584Z","dateUpdated":"2025-10-01T19:57:07.103Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:15:42.147Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: venus: vdec: fixed possible memory leak issue\n\nThe venus_helper_alloc_dpb_bufs() implementation allows an early return\non an error path when checking the id from ida_alloc_min() which would\nnot release the earlier buffer allocation.\n\nMove the direct kfree() from the error checking of dma_alloc_attrs() to\nthe common fail path to ensure that allocations are released on all\nerror paths in this function.\n\nAddresses-Coverity: 1494120 (\"Resource leak\")"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/qcom/venus/helpers.c"],"versions":[{"version":"745e6d8bbe6a6e2e40b1609cea114c129f17031a","lessThan":"5cedfe8aaf1875a5305897107b7f298db4260019","status":"affected","versionType":"git"},{"version":"40d87aafee29fb01ce1e1868502fb2059a6a7f34","lessThan":"55bccafc246b2e64763a155ec454470c07a54a6e","status":"affected","versionType":"git"},{"version":"40d87aafee29fb01ce1e1868502fb2059a6a7f34","lessThan":"5f89d05ba93df9c2cdfe493843f93288e55e99eb","status":"affected","versionType":"git"},{"version":"40d87aafee29fb01ce1e1868502fb2059a6a7f34","lessThan":"8403fdd775858a7bf04868d43daea0acbe49ddfc","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/media/platform/qcom/venus/helpers.c"],"versions":[{"version":"5.16","status":"affected"},{"version":"0","lessThan":"5.16","status":"unaffected","versionType":"semver"},{"version":"5.16.19","lessThanOrEqual":"5.16.*","status":"unaffected","versionType":"semver"},{"version":"5.17.2","lessThanOrEqual":"5.17.*","status":"unaffected","versionType":"semver"},{"version":"5.18","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":"5.16","versionEndExcluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5cedfe8aaf1875a5305897107b7f298db4260019"},{"url":"https://git.kernel.org/stable/c/55bccafc246b2e64763a155ec454470c07a54a6e"},{"url":"https://git.kernel.org/stable/c/5f89d05ba93df9c2cdfe493843f93288e55e99eb"},{"url":"https://git.kernel.org/stable/c/8403fdd775858a7bf04868d43daea0acbe49ddfc"}],"title":"media: venus: vdec: fixed possible memory leak issue","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2021-47655","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:50:14.184131Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-401","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T19:57:07.103Z"}}]}}