{"action":"Upgrade linux to 5.4.19-1 or later.","affected":[{"fixed":"5.4.19-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["5.4.19-1"],"id":"tcs_01M5NFTBK89R0SPFEV3YNSJ13T","modified_at":"2026-10-23T18:00:19.461860603Z","published_at":"2021-08-13T14:15:07.877Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-3635","https://security-tracker.debian.org/tracker/CVE-2021-3635"],"severity":{"label":"medium","score":4.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-3635#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-3635"}],"summary":"A flaw was found in the Linux kernel netfilter implementation in versions prior to 5.5-rc7. A user with root (CAP_SYS_ADMIN) access is able to panic the system when issuing netfilter netflow commands."}