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CVE-2026-89169

Quick assessment

Affected
Debian live-boot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

live-boot 版本 ff8867c 允许攻击者在 .verity 文件缺失时绕过 dm-verity-enforce-roothash-signature 保护机制。

CVSS 4.1 · Medium

Possible ATT&CK Techniques 1 AI

T1558 · Steal or Forge Kerberos Tickets
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I. Basic Information for CVE-2026-89169

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
live-boot ff8867c allows attackers to bypass the dm-verity-enforce-roothash-signature protection mechanism when the .verity file is missing.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Debian live-boot ff8867c4e2d62e497cb895b15b7d6d518d5adff1 -

II. Public POCs for CVE-2026-89169

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III. Intelligence Information for CVE-2026-89169

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Patches & Fixes for CVE-2026-89169 (1)

Vendor Advisories for CVE-2026-89169 (1)

IV. Related Vulnerabilities

Same vendor: Debian
Same weakness: CWE-347

V. Comments for CVE-2026-89169

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