CVE-2022-25327

Name	CVE-2022-25327
Description	The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above
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	1006485

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
fscrypt (PTS)	bullseye	0.2.9-1	vulnerable
	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)	0.3.3-1			1006485

Notes

[bullseye] - fscrypt <no-dsa> (Minor issue)
[buster] - fscrypt <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2022/02/24/1
https://github.com/google/fscrypt/commit/1a47718420317f893831b0223153d56005d5b02b
https://github.com/google/fscrypt/commit/74e870b7bd1585b4b509da47e0e75db66336e576
https://github.com/google/fscrypt/commit/b44fbe71e1e93c47050322af51725bac997641e0