CVE-2021-20257

Name of the Vulnerable Software and Affected Versions QEMU (affected versions not specified)

Description An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process tx desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.