{"action":"Upgrade linux to 6.12.115-2 or later.","affected":[{"fixed":"6.12.115-2","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.115-2"],"id":"tcs_01M5NWGDWEVNTGYPA34D4NYMGV","modified_at":"2026-11-02T18:00:59.326281545Z","published_at":"2026-09-17T17:17:22.747Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-90263","https://security-tracker.debian.org/tracker/CVE-2026-90263"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-90263#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-90263"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write o"}