{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47464","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-22T06:20:56.198Z","datePublished":"2024-05-22T06:23:24.355Z","dateUpdated":"2025-05-04T07:11:28.220Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:11:28.220Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naudit: fix possible null-pointer dereference in audit_filter_rules\n\nFix  possible null-pointer dereference in audit_filter_rules.\n\naudit_filter_rules() error: we previously assumed 'ctx' could be null"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/auditsc.c"],"versions":[{"version":"bf361231c295d92a28ca283ea713f56e93e55796","lessThan":"d6f451f1f60c58d73038c7c3177066f8f084e2a2","status":"affected","versionType":"git"},{"version":"bf361231c295d92a28ca283ea713f56e93e55796","lessThan":"16802fa4c33eb1a8efb23f1e93365190e4047d05","status":"affected","versionType":"git"},{"version":"bf361231c295d92a28ca283ea713f56e93e55796","lessThan":"4e9e46a700201b4c85081fd478c99c692a9aaa0d","status":"affected","versionType":"git"},{"version":"bf361231c295d92a28ca283ea713f56e93e55796","lessThan":"6e3ee990c90494561921c756481d0e2125d8b895","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/auditsc.c"],"versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","status":"unaffected","versionType":"semver"},{"version":"5.4.156","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.76","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.14.15","lessThanOrEqual":"5.14.*","status":"unaffected","versionType":"semver"},{"version":"5.15","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":"5.3","versionEndExcluding":"5.4.156"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.10.76"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.14.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.15"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d6f451f1f60c58d73038c7c3177066f8f084e2a2"},{"url":"https://git.kernel.org/stable/c/16802fa4c33eb1a8efb23f1e93365190e4047d05"},{"url":"https://git.kernel.org/stable/c/4e9e46a700201b4c85081fd478c99c692a9aaa0d"},{"url":"https://git.kernel.org/stable/c/6e3ee990c90494561921c756481d0e2125d8b895"}],"title":"audit: fix possible null-pointer dereference in audit_filter_rules","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-476","lang":"en","description":"CWE-476 NULL Pointer Dereference"}]}],"affected":[{"vendor":"linux","product":"linux_kernel","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","versions":[{"version":"bf361231c295","status":"affected","lessThan":"d6f451f1f60c","versionType":"custom"},{"version":"bf361231c295","status":"affected","lessThan":"16802fa4c33e","versionType":"custom"},{"version":"bf361231c295","status":"affected","lessThan":"4e9e46a70020","versionType":"custom"},{"version":"bf361231c295","status":"affected","lessThan":"6e3ee990c904","versionType":"custom"}]},{"vendor":"linux","product":"linux_kernel","cpes":["cpe:2.3:o:linux:linux_kernel:5.3:-:*:*:*:*:*:*"],"defaultStatus":"affected","versions":[{"version":"5.3","status":"affected"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.4,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-06-17T18:04:07.219306Z","id":"CVE-2021-47464","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-17T18:04:11.318Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:39:59.357Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/d6f451f1f60c58d73038c7c3177066f8f084e2a2","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/16802fa4c33eb1a8efb23f1e93365190e4047d05","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/4e9e46a700201b4c85081fd478c99c692a9aaa0d","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6e3ee990c90494561921c756481d0e2125d8b895","tags":["x_transferred"]}]}]}}