CVE-2026-89169

MEDIUM CVSS 4.0: 4.1 EPSS 0.11%
Updated Sep 11, 2026
Debian
Parameter Value
CVSS 4.1 (MEDIUM)
Type CWE-347 (Improper Verification of Cryptographic Signature)
Vendor Debian
Public PoC No

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

Attack Parameters

Attack Vector
Physical
Requires physical access
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products

debian:live-boot