CVE-2018-6558

Name	CVE-2018-6558
Description	The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	907074

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
fscrypt (PTS)	bullseye	0.2.9-1	fixed
	bookworm	0.3.3-1	fixed
	sid, trixie	0.3.5-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
fscrypt	source	(unstable)	0.2.4-1			907074

https://bugs.launchpad.net/ubuntu/+source/fscrypt/+bug/1787548
https://github.com/google/fscrypt/issues/77
https://github.com/google/fscrypt/pull/103