{"action":"Upgrade linux to 5.14.16-1 or later.","affected":[{"fixed":"5.14.16-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["5.14.16-1"],"id":"tcs_01M5NG05YJQNXEPT73S8N2G3K7","modified_at":"2026-10-23T18:04:38.751948488Z","published_at":"2022-03-23T20:15:09.997Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-4149","https://security-tracker.debian.org/tracker/CVE-2021-4149"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-4149","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-4149"}],"summary":"A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial"}