CVE-2021-3611

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 issue was introduced in QEMU upstream version 5.0.0. As a result, it only affects the version of qemu-kvm as shipped with Red Hat Enterprise Linux 8 Advanced Virtualization. Red Hat Enterprise Linux 7 and 8 are not affected by this flaw as they ship an older version of the package. A future update may address this issue in RHEL 8 Advanced Virtualization.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.