CVE-2020-14415

A divide-by-zero flaw was found in the Open Sound System (OSS) implementation of the QEMU emulator. A guest user or process may use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Open Sound System (OSS) is deprecated in favor of ALSA and disabled in Red Hat products. This flaw did not affect the following versions of QEMU as they did not include support for OSS:

• qemu-kvm-ma as shipped with Red Hat Enterprise Linux 7.
• qemu-kvm-rhev as shipped with Red Hat Virtualization and Red Hat OpenStack.
• qemu-kvm as shipped with Red Hat Enterprise Linux 6, 7 and 8.
• virt:8.2/qemu-kvm as shipped with RHEL 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.