{"action":"Upgrade linux to 7.2.6-1 or later.","affected":[{"fixed":"7.2.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["7.2.6-1"],"id":"tcs_01M5NWAW3Q0S737KK95FMB6C3K","modified_at":"2026-10-23T18:05:47.921244026Z","published_at":"2026-09-16T09:17:09.930Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-89791","https://security-tracker.debian.org/tracker/CVE-2026-89791"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-89791","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-89791"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: perf: Fix use-after-free when perf mmap() revival races with the last munmap() perf_mmap_close() drops rb->mmap_count *without* hold"}