{"action":"Upgrade linux to 5.14.12-1 or later.","affected":[{"fixed":"5.14.12-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.14.12-1"],"id":"tcs_01M5NG0N4YX0ETWQ8AVCJ44952","modified_at":"2026-10-23T18:04:15.807040195Z","published_at":"2022-03-25T19:15:09.833Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-4203","https://security-tracker.debian.org/tracker/CVE-2021-4203"],"severity":{"label":"medium","score":6.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-4203#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-4203"}],"summary":"A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with"}