CVE-2022-28321

Name	CVE-2022-28321
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pam (PTS)	jessie	1.1.8-3.1+deb8u2	fixed
	stretch	1.1.8-3.6	fixed
	buster	1.3.1-5	fixed
	bullseye	1.4.0-9+deb11u1	fixed
	bookworm	1.5.2-6+deb12u1	fixed
	sid, trixie	1.5.3-7	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
pam	source	(unstable)	(not affected)

- pam <not-affected> (Vulnerability introduced to SUSE-specific patch)
https://bugzilla.suse.com/show_bug.cgi?id=1197654