NULL Pointer Dereference Affecting qemu-img-rhev package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.4% (33rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL10-QEMUIMGRHEV-11442467
  • published5 Aug 2025
  • disclosed12 Dec 2021

Introduced: 12 Dec 2021

CVE-2021-4158  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 qemu-img-rhev.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-img-rhev package and not the qemu-img-rhev package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

CVSS Base Scores

version 3.1