CVE - CVE-2021-20203

CVE-ID
CVE-2021-20203	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:GLSA-202208-27 URL:https://security.gentoo.org/glsa/202208-27 MISC:[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update URL:https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html MISC:[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update URL:https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html MISC:https://bugs.launchpad.net/qemu/+bug/1913873 URL:https://bugs.launchpad.net/qemu/+bug/1913873 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1922441 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1922441
Assigning CNA
Red Hat, Inc.
Date Record Created
20201217	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20201217)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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