{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-01T07:53:15.272","vulnerabilities":[{"cve":{"id":"CVE-2021-3764","sourceIdentifier":"secalert@redhat.com","published":"2022-08-23T16:15:09.837","lastModified":"2026-06-17T04:05:43.237","vulnStatus":"Modified","cveTags":[],"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 pérdida de memoria en la función ccp_run_aes_gcm_cmd() del kernel de Linux que permite a un atacante causar una denegación de servicio. La vulnerabilidad es similar a la anterior CVE-2019-18808. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema."}],"affected":[{"source":"secalert@redhat.com","affectedData":[{"vendor":"n/a","product":"Linux Kernel","versions":[{"version":"Fixed in v5.15-rc4","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-400"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndIncluding":"5.14.20","matchCriteriaId":"BBD585C2-3F95-4E2A-BD16-33C3A6211557"},{"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"}]}]}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2021-3764","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1997467","source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680","source":"secalert@redhat.com","tags":["Patch","Third Party Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-3764","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-3764","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1997467","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-3764","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}