{"id":"CVE-2021-3764","details":"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.","modified":"2026-03-15T22:41:20.471177Z","published":"2022-08-23T16:15:09.837Z","related":["ALSA-2022:1988","MGASA-2021-0489","MGASA-2021-0490","SUSE-SU-2021:3337-1","SUSE-SU-2021:3338-1","SUSE-SU-2021:3339-1","SUSE-SU-2021:3386-1","SUSE-SU-2021:3387-1","SUSE-SU-2021:3388-1","SUSE-SU-2021:3389-1","SUSE-SU-2021:3415-1","SUSE-SU-2021:3447-1","SUSE-SU-2021:3876-1","SUSE-SU-2021:3969-1","SUSE-SU-2021:3972-1","openSUSE-SU-2021:1357-1","openSUSE-SU-2021:1365-1","openSUSE-SU-2021:3338-1","openSUSE-SU-2021:3387-1","openSUSE-SU-2021:3447-1","openSUSE-SU-2021:3876-1"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-3764"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2021-3764"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1997467"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3764.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"5.14.20"}]},{"events":[{"introduced":"0"},{"last_affected":"5.15-NA"}]},{"events":[{"introduced":"0"},{"last_affected":"5.15-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.15-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"5.15-rc3"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}