CVEs-PoC/2021/CVE-2021-20257.md

CVE-2021-20257

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.

POC

Reference

No PoCs from references.

Github

• https://github.com/ARPSyndicate/cvemon