{"action":"Upgrade linux to 6.18.8-1 or later.","affected":[{"fixed":"6.18.8-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.18.8-1"],"id":"tcs_01M5NQZX1T1BBQHXB0BBSCD2V0","modified_at":"2026-10-23T18:04:40.033440225Z","published_at":"2026-01-23T16:15:55.183Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-22991","https://security-tracker.debian.org/tracker/CVE-2026-22991"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-22991#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-22991"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: libceph: make free_choose_arg_map() resilient to partial allocation free_choose_arg_map() may dereference a NULL pointer if its call"}