{"containers": {"cna": {"affected": [{"product": "Linux Kernel", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in v5.15-rc4"}]}], "descriptions": [{"lang": "en", "value": "A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 - Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-23T15:52:14", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680"}, {"tags": ["x_refsource_MISC"], "url": "https://security-tracker.debian.org/tracker/CVE-2021-3764"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1997467"}, {"tags": ["x_refsource_MISC"], "url": "https://access.redhat.com/security/cve/CVE-2021-3764"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2021-3764", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Linux Kernel", "version": {"version_data": [{"version_value": "Fixed in v5.15-rc4"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400 - Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680", "refsource": "MISC", "url": "https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680"}, {"name": "https://security-tracker.debian.org/tracker/CVE-2021-3764", "refsource": "MISC", "url": "https://security-tracker.debian.org/tracker/CVE-2021-3764"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1997467", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1997467"}, {"name": "https://access.redhat.com/security/cve/CVE-2021-3764", "refsource": "MISC", "url": "https://access.redhat.com/security/cve/CVE-2021-3764"}]}}}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-3764", "datePublished": "2022-08-23T15:52:14", "dateReserved": "2021-09-03T00:00:00", "dateUpdated": "2022-08-23T15:52:14", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BBD585C2-3F95-4E2A-BD16-33C3A6211557", "versionEndIncluding": "5.14.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*", "matchCriteriaId": "40D9C0D1-0F32-4A2B-9840-1072F5497540", "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}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability."}, {"lang": "es", "value": "Se ha encontrado un fallo de p\u00e9rdida de memoria en la funci\u00f3n ccp_run_aes_gcm_cmd() del kernel de Linux que permite a un atacante causar una denegaci\u00f3n de servicio. La vulnerabilidad es similar a la anterior CVE-2019-18808. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema."}], "id": "CVE-2021-3764", "lastModified": "2022-08-25T02:33:47.080", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-23T16:15:09.837", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2021-3764"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1997467"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security-tracker.debian.org/tracker/CVE-2021-3764"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{}