{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"util-linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NVEYR1ZQ80V3PA59JSF9D7","modified_at":"2026-10-23T17:47:24.774210062Z","published_at":"2026-09-02T16:17:23.687Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-78408","https://security-tracker.debian.org/tracker/CVE-2026-78408"],"severity":{"label":"high","score":7.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-78408","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-78408"}],"summary":"The nsenter --join-cgroup option opens the target cgroup.procs file as root and leaves that file descriptor open across later namespace and credential changes and across execve(). Because the kernel c"}