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CVE-2021-20203

UNKNOWN
Published 2021-02-25T19:09:46
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No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed LOW

GHSA-8gqc-j7wm-6g58

Advisory Details

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.

CVSS Scoring

CVSS Score

2.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-20203
WEB https://bugs.launchpad.net/qemu/+bug/1913873
WEB https://bugzilla.redhat.com/show_bug.cgi?id=1922441
WEB https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
WEB https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
WEB https://security.gentoo.org/glsa/202208-27

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: June 2, 2022

References

https://bugzilla.redhat.com/show_bug.cgi?id=1922441
https://bugs.launchpad.net/qemu/+bug/1913873
https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
https://security.gentoo.org/glsa/202208-27
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
Published: 2021-02-25T19:09:46
Last Modified: 2024-08-03T17:30:07.577Z
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