{"id":"CVE-2026-89169","title":"live-boot ff8867c allows attackers to bypass the dm-verity-enforce-roothash-signature protection mechanism when the .verity file is missing.","summary":"live-boot ff8867c allows attackers to bypass the dm-verity-enforce-roothash-signature protection mechanism when the .verity file is missing.","severity":"medium","cvss":4.1,"cvssVector":"CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","cwe":["CWE-347"],"vendor":"Debian","product":"live-boot","affected":["live-boot ff8867c4e2d62e497cb895b15b7d6d518d5adff1"],"published":"2026-09-11","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:00:03.713","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89169","references":[{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1146422","label":"cve@mitre.org"},{"url":"https://salsa.debian.org/live-team/live-boot/-/blob/ff8867c4e2d62e497cb895b15b7d6d518d5adff1/components/9990-overlay.sh#L112-114","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"epss":0.00109,"epssPercentile":0.01393,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-11T15:56:11.142588Z"},"cvssSource":"cna","ingestedAt":"2026-09-12T05:46:19.335Z","slug":"CVE-2026-89169","body":"## Overview\n\nlive-boot ff8867c allows attackers to bypass the dm-verity-enforce-roothash-signature protection mechanism when the .verity file is missing.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":23,"depthScoreParts":{"impact":22.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}