{"action":"Upgrade linux to 5.4.6-1 or later.","affected":[{"fixed":"5.4.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.4.6-1"],"id":"tcs_01M5NE2PHZJ351HDR1HDT6FZGD","modified_at":"2026-09-21T07:02:53.304465381Z","published_at":"2019-11-28T00:15:11.143Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-19318","https://security-tracker.debian.org/tracker/CVE-2019-19318"],"severity":{"label":"medium","score":4.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-19318#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-19318"}],"summary":"In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in kernel/locking/rwsem.c) rwsem_owner_flags"}