Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package qemu-guest-agent (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-QEMUGUESTAGENT-9459650
- published16 Mar 2025
- disclosed9 Dec 2020
Introduced: 9 Dec 2020
CVE-2021-3611 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-guest-agent package and not the qemu-guest-agent package as distributed by RHEL.
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 prior to 7.0.0.
References
- https://access.redhat.com/security/cve/CVE-2021-3611
- https://access.redhat.com/errata/RHSA-2022:7967
- https://bugzilla.redhat.com/show_bug.cgi?id=1973784
- https://gitlab.com/qemu-project/qemu/-/issues/542
- https://security.gentoo.org/glsa/202208-27
- https://security.netapp.com/advisory/ntap-20220624-0001/