CVE-2026-89169

Bypass of dm-verity enforcement when .verity file missing in Debian live-boot

Published Sep 11, 2026 CVSS 4.0 · 4.1 Medium EPSS < 1% KEV · Not listed
Description
live-boot ff8867c allows attackers to bypass the dm-verity-enforce-roothash-signature protection mechanism when the .verity file is missing.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Debian
Debian live-boot
Vendors & Products Debian
Debian live-boot
Type Values Removed Values Added
Title Bypass of dm-verity enforcement when .verity file missing in Debian live-boot
Type Values Removed Values Added
Description live-boot ff8867c allows attackers to bypass the dm-verity-enforce-roothash-signature protection mechanism when the .verity file is missing.
Weaknesses CWE-347
References
Metrics cvssV4_0

{'score': 4.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 11, 2026, 3:57 PM
Reserved
Sep 11, 2026, 4:44 AM
Status
Deferred
Published
Sep 11, 2026, 5:16 AM
Modified
Sep 22, 2026, 8:00 PM