Bug 2430414 (CVE-2025-24531) - CVE-2025-24531 pam_pkcs11: authentication bypass in error situations
Summary: CVE-2025-24531 pam_pkcs11: authentication bypass in error situations
Keywords:
Status: NEW
Alias: CVE-2025-24531
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-16 18:01 UTC by OSIDB Bzimport
Modified: 2026-01-19 20:22 UTC (History)
0 users

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-01-16 18:01:46 UTC 
In OpenSC pam_pkcs11 before 0.6.13, pam_sm_authenticate() wrongly returns PAM_IGNORE in many error situations (such as an error triggered by a smartcard before login), allowing authentication bypass.
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