CVE-2022-3165

NameCVE-2022-3165
DescriptionAn integer underflow issue was found in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service.
SourceCVE (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)
Debian Bugs1021019

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)buster1:3.1+dfsg-8+deb10u8fixed
buster (security)1:3.1+dfsg-8+deb10u9fixed
bullseye (security), bullseye1:5.2+dfsg-11+deb11u2fixed
bookworm, sid1:7.1+dfsg-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcebuster(not affected)
qemusourcebullseye(not affected)
qemusource(unstable)(unfixed)1021019

Notes

[bullseye] - qemu <not-affected> (Vulnerable code introduced later)
[buster] - qemu <not-affected> (Vulnerable code introduced later)
https://bugzilla.redhat.com/show_bug.cgi?id=2129739
Introduced by: https://gitlab.com/qemu-project/qemu/-/commit/0bf41cab93e5c72dcda717abd625698b59d9ba3e (v6.1.0-rc0)
Proposed fix: https://lists.nongnu.org/archive/html/qemu-devel/2022-09/msg03948.html

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