vulnerability

Huawei EulerOS: CVE-2020-27821: qemu security update

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
Dec 8, 2020
Added
Jan 28, 2022
Modified
Aug 13, 2025

Description

A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.

Solution

huawei-euleros-2_0_sp9-upgrade-qemu-img
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.