{"action":"Upgrade linux to 6.12.111-1 or later.","affected":[{"fixed":"6.12.111-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.111-1"],"id":"tcs_01M5NW97HDC81KK36K70J1CK8D","modified_at":"2026-10-23T17:47:24.842048658Z","published_at":"2026-09-11T20:19:51.400Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-89653","https://security-tracker.debian.org/tracker/CVE-2026-89653"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-89653#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-89653"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: ceph: reject export_targets ranks >= CEPH_MAX_MDS in mdsmap decode MDSMap export_targets entries are monitor controlled. check_new_m"}