CVE-2022-23218

NameCVE-2022-23218
DescriptionThe deprecated compatibility function svcunix_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its path argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
glibc (PTS)stretch2.24-11+deb9u4vulnerable
stretch (security)2.24-11+deb9u1vulnerable
buster2.28-10+deb10u1vulnerable
bullseye2.31-13+deb11u3fixed
bookworm, sid2.33-7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
glibcsourcebullseye2.31-13+deb11u3
glibcsource(unstable)2.33-3

Notes

[buster] - glibc <no-dsa> (Minor issue)
[stretch] - glibc <no-dsa> (Minor issue)
https://sourceware.org/bugzilla/show_bug.cgi?id=28768

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