CVE-2022-28321: Linux-Pam

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication bypass for SSH logins. The pam_access.so module doesn't correctly restrict login if a user tries to connect from an IP address that is not resolvable via DNS. In such conditions, a user with denied access to a machine can still get access. NOTE: the relevance of this issue is largely limited to openSUSE Tumbleweed and openSUSE Factory; it does not affect Linux-PAM upstream.

Affected products

• Linux-Pam Linux-Pam: before 1.5.2-6.1 (fixed in 1.5.2-6.1)

Published 2022-09-19. Last modified 2026-06-17.