CVE-2022-4172

NameCVE-2022-4172
DescriptionAn integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record() and write_erst_record() functions. Both issues may allow the guest to overrun the host buffer allocated for the ERST memory device. A malicious guest could use these flaws to crash the QEMU process on the host.
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 Bugs1025123

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, bullseye (security)1:5.2+dfsg-11+deb11u2fixed
bookworm1:7.2+dfsg-1fixed
sid1:7.2+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcebuster(not affected)
qemusourcebullseye(not affected)
qemusource(unstable)1:7.2+dfsg-11025123

Notes

[bullseye] - qemu <not-affected> (Vulnerable code introduced later)
[buster] - qemu <not-affected> (Vulnerable code introduced later)
https://gitlab.com/qemu-project/qemu/-/issues/1268
Introduced by: https://gitlab.com/qemu-project/qemu/-/commit/f7e26ffa590ff26b4c6a2c513ad9ba1e6156f5b8 (v7.0.0-rc0)
Fixed by: https://gitlab.com/qemu-project/qemu/-/commit/defb70980f6bed36100b74e84220f1764c0dd544 (v7.2.0-rc0)
https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk@c--e.de/

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