CVE-2010-4707: Linux-Pam

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

The check_acl function in pam_xauth.c in the pam_xauth module in Linux-PAM (aka pam) 1.1.2 and earlier does not verify that a certain ACL file is a regular file, which might allow local users to cause a denial of service (resource consumption) via a special file.

Affected products

• Linux-Pam Linux-Pam: up to and including 1.1.2; version 0.99.1.0 only; version 0.99.2.0 only; version 0.99.2.1 only; version 0.99.3.0 only; version 0.99.4.0 only; …

Published 2011-01-24. Last modified 2026-06-16.