{"action":"Upgrade linux to 5.10.4-1 or later.","affected":[{"fixed":"5.10.4-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["5.10.4-1"],"id":"tcs_01M5NFAYBJ7M33MANHTPZZ9S4C","modified_at":"2026-10-23T18:03:58.896737206Z","published_at":"2021-02-23T17:15:13.660Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-20226","https://security-tracker.debian.org/tracker/CVE-2021-20226"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-20226","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-20226"}],"summary":"A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the system The issue results from the lack of v"}