Security Advisory - Buffer Overflow Vulnerability in QEMU-KVM

There is a buffer overflow vulnerability in the vhost module of QEMU-KVM. During the hot migration of the target VM, an attacker with guest user account may send descriptors with invalid length to the affected host to exploit this vulnerability. Successfully exploited may cause the kernel buffer overflow and triggered to VM escape. (Vulnerability ID: HWPSIRT-2019-09112)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-14835.

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-qemu-en