Security Advisory

CVE-2021-20257

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2022-03-16 14:12:26

Last updated 2024-08-03 17:37:23

Assigner redhat

CVSS score not scored

State PUBLISHED

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.

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