{"action":"Upgrade linux to 6.1.187-1 or later.","affected":[{"fixed":"6.1.187-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.187-1"],"id":"tcs_01M5NV9VB78FMH02955NVM5RJ3","modified_at":"2026-10-23T18:05:44.352904578Z","published_at":"2026-08-22T16:16:36.890Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-74637","https://security-tracker.debian.org/tracker/CVE-2026-74637"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-74637","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-74637"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix group leader use-after-free after sibling detach perf_group_detach() handles leader and sibling detach differently. W"}