live-boot ff8867c allows attackers to bypass the dm-verity-enforce-roothash-signature protection mechanism when the .verity file is missing.

Metrics

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1146422 cve-icon cve-icon
https://salsa.debian.org/live-team/live-boot/-/blob/ff8867c4e2d62e497cb895b15b7d6d518d5adff1/components/9990-overlay.sh#L112-114 cve-icon cve-icon
History

Fri, 11 Sep 2026 06:45:00 +0000

Type Values Removed Values Added
Title Bypass of dm-verity enforcement when .verity file missing in Debian live-boot

Fri, 11 Sep 2026 05:00:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-11T05:19:34.404Z

Reserved: 2026-09-11T04:44:26.012Z

Link: CVE-2026-89169

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-11T05:16:38.840

Modified: 2026-09-11T06:16:23.713

Link: CVE-2026-89169

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T06:30:05Z

Weaknesses