Security Advisory

CVE-2021-20255

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-03-09 19:14:05

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

Assigner redhat

State PUBLISHED

Description

A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

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