CVE-2024-57256

Name	CVE-2024-57256
Description	An integer overflow in ext4fs_read_symlink in Das U-Boot before 2025.01-rc1 occurs for zalloc (adding one to an le32 variable) via a crafted ext4 filesystem with an inode size of 0xffffffff, resulting in a malloc of zero and resultant memory overwrite.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-4150-1
Debian Bugs	1098254

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
u-boot (PTS)	bullseye	2021.01+dfsg-5	vulnerable
	bullseye (security)	2021.01+dfsg-5+deb11u2	fixed
	bookworm	2023.01+dfsg-2+deb12u1	vulnerable
	forky, sid, trixie	2025.01-3	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	bullseye	2021.01+dfsg-5+deb11u1		DLA-4150-1
u-boot	source	(unstable)	2025.01-1			1098254

Notes

[bookworm] - u-boot <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2025/02/17/2
Fixed by: https://source.denx.de/u-boot/u-boot/-/commit/35f75d2a46e5859138c83a75cd2f4141c5479ab9 (v2025.01-rc1)