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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "live-boot", "vendor": "Debian", "versions": [{"status": "affected", "version": "ff8867c4e2d62e497cb895b15b7d6d518d5adff1", "versionType": "git"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "live-boot ff8867c allows attackers to bypass the dm-verity-enforce-roothash-signature protection mechanism when the .verity file is missing."}], "id": "CVE-2026-89169", "lastModified": "2026-09-11T06:16:23.713", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "PHYSICAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.1, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-09-11T05:16:38.840", "references": [{"source": "cve@mitre.org", "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1146422"}, {"source": "cve@mitre.org", "url": "https://salsa.debian.org/live-team/live-boot/-/blob/ff8867c4e2d62e497cb895b15b7d6d518d5adff1/components/9990-overlay.sh#L112-114"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "cve@mitre.org", "type": "Secondary"}]}

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{"created": "2026-09-11T06:30:05.693325+00:00", "title": "Bypass of dm-verity enforcement when .verity file missing in Debian live-boot", "updated": "2026-09-11T06:30:05.693351+00:00", "vendors": []}