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Acknowledged

LIN1022-344 : Security Advisory - qemu - CVE-2021-20255

Created: Apr 29, 2022 Updated: Jul 20, 2023

Found In Version: 10.22.33.1

Severity: Standard

Applicable for: Wind River Linux LTS 22

Component/s: Userspace

Description

A stack overflow via infinite recursion issue was found in the eepro100 i8255x device emulator of QEMU. It could occur while processing controller commands due to DMA re-entrancy issue. A guest user/process may use this flaw to consume cpu cycles or crash the QEMU process on the host resulting in DoS scenario.c

https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg06098.html

CREATE(Triage):(User=admin) CVE-2021-20255 (https://nvd.nist.gov/vuln/detail/CVE-2021-20255)