{"action":"Upgrade linux to 5.5.17-1 or later.","affected":[{"fixed":"5.5.17-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["5.5.17-1"],"id":"tcs_01M5NF3AQW0QPQMWM2AX1FTNMF","modified_at":"2026-10-26T12:02:49.363531105Z","published_at":"2022-07-21T04:15:09.830Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-36557","https://security-tracker.debian.org/tracker/CVE-2020-36557"],"severity":{"label":"medium","score":5.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-36557#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-36557"}],"summary":"A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free."}