{"action":"Upgrade linux to 5.2.6-1 or later.","affected":[{"fixed":"5.2.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["5.2.6-1"],"id":"tcs_01M5NE3G9QJ4M3WJM1JARMGY5R","modified_at":"2026-09-21T07:03:16.766827266Z","published_at":"2019-12-17T06:15:12.780Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-19813","https://security-tracker.debian.org/tracker/CVE-2019-19813"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-19813","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-19813"}],"summary":"In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in __mutex_lock in kernel/locking/m"}