CVE-2026-109976

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 24/100
Published: 2026-10-13 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

No Interaction

CVSS Vector Breakdown

AV: Local
AC: High
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

Description

A flaw was found in the clevis PKCS#11 pin. The clevis-pkcs11-afunix-socket-unlock daemon crashes when an AF_UNIX client connects to the data socket without a bound address, due to an integer underflow in the getpeername result handling. This causes a denial of service, preventing LUKS disk decryption from completing during boot.

Weakness Classification (1)

References & Advisories (2)

https://bugzilla.redhat.com/show_bug.cgi?id=2550375
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

24 / 100
✓ No user interaction

CVSS Score

4.7 / 10.0 v3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.14%
Raw Score 0.001430
Percentile 3.6%
Date 2026-11-02

EPSS Trend

2026-11-02
0.00143
2026-11-01
0.00143
2026-10-31
0.00143
2026-10-30
0.00143
2026-10-29
0.00143

Intelligence Sources

mitre ref →
nvd ref →