USN-8601-1: PAM vulnerability

It was discovered that PAM had a timing discrepancy in the pamuserdb module when comparing plaintext passwords. An attacker could possibly use this issue to obtain sensitive information by measuring response-timing differences during repeated authentication attempts...

SUSE-SU-2026:3163-1 Security update for pam

This update for pam fixes the following issue - CVE-2026-54411: timing discrepancy in the pamuserdb module's plaintext-password comparison bsc1268290...

CVE-2026-54411 Linux-PAM pam_userdb Observable Timing Discrepancy in Plaintext Password Comparison

Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in modules/pamuserdb/pamuserdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the...