CVE-2022-4172

Name: CVE-2022-4172
Creator: NVD / NIST
Published: 2022-11-29T18:15:10.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2022-4172 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An 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. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

An 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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

EPSS Probability

0.38%

30.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Qemu	Qemu	7.0.0
Fedoraproject	Fedora	37

References

https://gitlab.com/qemu-project/qemu/-/commit/defb7098Patch, Third Party Advisory
https://gitlab.com/qemu-project/qemu/-/issues/1268Exploit, Issue Tracking, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk%40c--e.de/
https://security.netapp.com/advisory/ntap-20230127-0013/Third Party Advisory
https://gitlab.com/qemu-project/qemu/-/commit/defb7098Patch, Third Party Advisory
https://gitlab.com/qemu-project/qemu/-/issues/1268Exploit, Issue Tracking, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk%40c--e.de/
https://security.netapp.com/advisory/ntap-20230127-0013/Third Party Advisory

Timeline

Published: Nov 29, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-4172?

How severe is CVE-2022-4172?

CVE-2022-4172 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2022-4172?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-4172?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST