{"action":"Upgrade linux to 6.12.73-1 or later.","affected":[{"fixed":"6.12.73-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.73-1"],"id":"tcs_01M5NR1WDG478T54B7AKBFZ806","modified_at":"2026-10-01T03:03:20.800165540Z","published_at":"2026-02-18T16:22:32.037Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-23223","https://security-tracker.debian.org/tracker/CVE-2026-23223"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-23223","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-23223"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchk_btree_check_block_owner We cannot dereference bs->cur when trying to determine if bs->cur aliases bs->sc->sa.{b"}