CVE-2021-20203

State: Published
Severity: Not scored
Published: Feb 25, 2021
Updated: Aug 3, 2024
Reserved: Dec 17, 2020

Description

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.

Scores

The record has no CVSS score.

Weaknesses

CWE-190

Affected Products

Product	Versions
qemun/a	versions up to v5.2.0Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=1922441
https://bugs.launchpad.net/qemu/+bug/1913873
[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security updatemailing-list
GLSA-202208-27vendor-advisory
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security updatemailing-list

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.