{"action":"Upgrade util-linux to 2.42.4-1 or later.","affected":[{"fixed":"2.42.4-1","introduced":"0"}],"component":"util-linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.42.4-1"],"id":"tcs_01M5NVEZ1BTCAA8KKB7CXXMSZQ","modified_at":"2026-11-05T09:47:39.317163494Z","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#Debian:14/util-linux","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"}