CVE-2022-33967

Name	CVE-2022-33967
Description	squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer overflow vulnerability due to a defect in the metadata reading process. Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
u-boot (PTS)	buster	2019.01+dfsg-7	fixed
	bullseye	2021.01+dfsg-5	vulnerable
	bookworm, sid	2023.01+dfsg-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
u-boot	source	buster	(not affected)
u-boot	source	(unstable)	2022.07+dfsg-1

Notes

[bullseye] - u-boot <no-dsa> (Minor issue)
[buster] - u-boot <not-affected> (SquashFS support added in 2020.10)
https://lists.denx.de/pipermail/u-boot/2022-June/487467.html
https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44 (v2022.07-rc6)