low3.2
CVE-2021-20203
An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Qemu | Qemu | through 5.2.0 |
| Fedoraproject | Fedora | Version 33 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugs.launchpad.net/qemu/+bug/1913873
- https://bugzilla.redhat.com/show_bug.cgi?id=1922441
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.gentoo.org/glsa/202208-27
- https://bugs.launchpad.net/qemu/+bug/1913873
- https://bugzilla.redhat.com/show_bug.cgi?id=1922441
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.gentoo.org/glsa/202208-27