🛡️ CVE-2025-24031
⚪ Unknown ✅ No Known Exploit CWE-476 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

PAM-PKCS#11 is a Linux-PAM login module that allows a X.509 certificate based user login. In versions 0.6.12 and prior, the pam_pkcs11 module segfaults when a user presses ctrl-c/ctrl-d when they are asked for a PIN. When a user enters no PIN at all, `pam_get_pwd` will never initialize the password buffer pointer and as such `cleanse` will try to dereference an uninitialized pointer. On my system this pointer happens to have the value 3 most of the time when running sudo and as such it will segfault. The most likely impact to a system affected by this issue is an availability impact due to a daemon that uses PAM crashing. As of time of publication, a patch for the issue is unavailable.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-476
Public Exploit ✅ No
Source NVD
Published 2025-02-10
Updated 2026-06-02
Modified 2026-04-15
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

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