Flaw in Clevis PKCS#11 Pin Affects Red Hat Products
CVE-2026-109969

4.7MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Vendor
CVE Published:
14 October 2026

What is CVE-2026-109969?

A vulnerability exists in the Clevis PKCS#11 pin due to the creation of AF_UNIX sockets without proper permission restrictions or peer credential verification. This flaw allows any local user to connect to the control socket under permissive umask settings, enabling unauthorized access to inject arbitrary device or key pairs. Additionally, users can connect to the data socket and potentially receive LUKS passphrases, posing a significant security risk to affected systems.

References

https://access.redhat.com/security/cve/CVE-2026-109969
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2550361
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was discovered by Sergio Correia (Red Hat).
.