{"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"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"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"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.357Z"}}, {"title": "CISA ADP Vulnrichment", "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": {"id": "CVE-2021-47464", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-06-17T18:04:07.219306Z"}}}], "affected": [{"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "bf361231c295", "lessThan": "d6f451f1f60c", "versionType": "custom"}, {"status": "affected", "version": "bf361231c295", "lessThan": "16802fa4c33e", "versionType": "custom"}, {"status": "affected", "version": "bf361231c295", "lessThan": "4e9e46a70020", "versionType": "custom"}, {"status": "affected", "version": "bf361231c295", "lessThan": "6e3ee990c904", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:5.3:-:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "5.3"}], "defaultStatus": "affected"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-17T16:08:53.645Z"}}], "cna": {"title": "audit: fix possible null-pointer dereference in audit_filter_rules", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "bf361231c295d92a28ca283ea713f56e93e55796", "lessThan": "d6f451f1f60c58d73038c7c3177066f8f084e2a2", "versionType": "git"}, {"status": "affected", "version": "bf361231c295d92a28ca283ea713f56e93e55796", "lessThan": "16802fa4c33eb1a8efb23f1e93365190e4047d05", "versionType": "git"}, {"status": "affected", "version": "bf361231c295d92a28ca283ea713f56e93e55796", "lessThan": "4e9e46a700201b4c85081fd478c99c692a9aaa0d", "versionType": "git"}, {"status": "affected", "version": "bf361231c295d92a28ca283ea713f56e93e55796", "lessThan": "6e3ee990c90494561921c756481d0e2125d8b895", "versionType": "git"}], "programFiles": ["kernel/auditsc.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.3"}, {"status": "unaffected", "version": "0", "lessThan": "5.3", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.156", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.76", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.14.15", "versionType": "semver", "lessThanOrEqual": "5.14.*"}, {"status": "unaffected", "version": "5.15", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["kernel/auditsc.c"], "defaultStatus": "affected"}], "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"}], "x_generator": {"engine": "bippy-1.2.0"}, "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"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.156", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.76", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.14.15", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15", "versionStartIncluding": "5.3"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:11:28.220Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47464", "state": "PUBLISHED", "dateUpdated": "2025-05-04T07:11:28.220Z", "dateReserved": "2024-05-22T06:20:56.198Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-22T06:23:24.355Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E4C8BBC8-2659-443E-AD6A-5615DA0EC349", "versionEndExcluding": "5.4.156", "versionStartIncluding": "5.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E61528CE-9083-425B-AE36-3791232BF780", "versionEndExcluding": "5.10.76", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "63BD46C4-473F-45F9-93E9-F67D955321D8", "versionEndExcluding": "5.14.15", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*", "matchCriteriaId": "E46C74C6-B76B-4C94-A6A4-FD2FFF62D644", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*", "matchCriteriaId": "60134C3A-06E4-48C1-B04F-2903732A4E56", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*", "matchCriteriaId": "0460DA88-8FE1-46A2-9DDA-1F1ABA552E71", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*", "matchCriteriaId": "AF55383D-4DF2-45DC-93F7-571F4F978EAB", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*", "matchCriteriaId": "9E9481B2-8AA6-4CBD-B5D3-C10F51FF6D01", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*", "matchCriteriaId": "EBD45831-4B79-42BC-ABC0-86870F0DEA89", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: auditor\u00eda: corrige una posible desreferencia de puntero nulo en audit_filter_rules. Corrige una posible desreferencia de puntero nulo en audit_filter_rules. Error audit_filter_rules(): previamente asumimos que 'ctx' podr\u00eda ser nulo"}], "id": "CVE-2021-47464", "lastModified": "2025-04-02T15:11:21.573", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-05-22T07:15:11.287", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/16802fa4c33eb1a8efb23f1e93365190e4047d05"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4e9e46a700201b4c85081fd478c99c692a9aaa0d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e3ee990c90494561921c756481d0e2125d8b895"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d6f451f1f60c58d73038c7c3177066f8f084e2a2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/16802fa4c33eb1a8efb23f1e93365190e4047d05"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4e9e46a700201b4c85081fd478c99c692a9aaa0d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e3ee990c90494561921c756481d0e2125d8b895"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d6f451f1f60c58d73038c7c3177066f8f084e2a2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: audit: fix possible null-pointer dereference in audit_filter_rules", "id": "2282892", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282892"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\naudit: fix possible null-pointer dereference in audit_filter_rules\nFix possible null-pointer dereference in audit_filter_rules.\naudit_filter_rules() error: we previously assumed 'ctx' could be null"], "name": "CVE-2021-47464", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47464\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47464\nhttps://lore.kernel.org/linux-cve-announce/2024052226-CVE-2021-47464-8254@gregkh/T"], "threat_severity": "Low"}