6.5
CVSSv3

CVE-2021-3611

Published: 11/05/2022 Updated: 12/02/2023
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 6.5 | Impact Score: 4 | Exploitability Score: 2
VMScore: 187
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

A stack overflow vulnerability was found in the Intel HD Audio device (intel-hda) of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability. This flaw affects QEMU versions before 7.0.0.

Vulnerability Trend

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qemu qemu

redhat enterprise linux 8.0

Vendor Advisories

Synopsis Moderate: qemu-kvm security, bug fix, and enhancement update Type/Severity Security Advisory: Moderate Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for qemu-kvm is now available for Red Hat Enterprise Linux 9Red Hat Product Security has rate ...
Debian Bug report logs - #990562 qemu: CVE-2021-3611 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Moritz Mühlenhoff <jmm@inutilorg> Date: Fri, 2 Jul 2021 08:39:04 UTC Severity: important Tags: security, upstream Found in version qemu/1:52+d ...
A KVM guest can crash qemu-kvm (likely with a stack overflow) when the guest has been started with the intel-hda device ...