{"action":"Upgrade linux to 6.18.9-1 or later.","affected":[{"fixed":"6.18.9-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.18.9-1"],"id":"tcs_01M5NR19MFTBA5R0ZYTCDKV446","modified_at":"2026-10-01T03:03:08.466454334Z","published_at":"2026-02-14T16:15:56.070Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-23159","https://security-tracker.debian.org/tracker/CVE-2026-23159"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-23159#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-23159"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: perf: sched: Fix perf crash with new is_user_task() helper In order to do a user space stacktrace the current task needs to be a use"}