« List of all CVEs

CVE-2021-20255

Published: 3/9/2021 Last updated: 8/3/2024 Reserved: 12/17/2020

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.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Opam packages affected (2)

conf-qemu-img nbd-tool

Products affected (1)

Product Vendor Version
QEMU n/a <= 1.2.1

References (10)