{"action":"Upgrade linux to 6.4.13-1 or later.","affected":[{"fixed":"6.4.13-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.4.13-1"],"id":"tcs_01M5NJWDQ6YM01G781Q7AXXEDC","modified_at":"2026-10-26T18:02:56.278119665Z","published_at":"2025-12-24T13:16:14.043Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-54121","https://security-tracker.debian.org/tracker/CVE-2023-54121"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-54121#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-54121"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfs_drop_extent_map_range In production we were seeing a variety of WARN_ON()'s in the extent_ma"}