CVE-2022-26495

Name	CVE-2022-26495
Description	In nbd-server in nbd before 3.24, there is an integer overflow with a resultant heap-based buffer overflow. A value of 0xffffffff in the name length field will cause a zero-sized buffer to be allocated for the name, resulting in a write to a dangling pointer. This issue exists for the NBD_OPT_INFO, NBD_OPT_GO, and NBD_OPT_EXPORT_NAME messages.
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)
References	DLA-2944-1, DSA-5100-1
Debian Bugs	1006915

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
nbd (PTS)	buster, buster (security)	1:3.19-3+deb10u1	fixed
	bullseye (security), bullseye	1:3.21-1+deb11u1	fixed
	bookworm, sid	1:3.24-1.1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
nbd	source	stretch	1:3.15.2-3+deb9u1	DLA-2944-1
nbd	source	buster	1:3.19-3+deb10u1	DSA-5100-1
nbd	source	bullseye	1:3.21-1+deb11u1	DSA-5100-1
nbd	source	(unstable)	1:3.24-1		1006915

https://lists.debian.org/nbd/2022/01/msg00037.html