NULL Pointer Dereference Affecting qemu-system-aarch64 package, versions <15:4.2.1-4.el7


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (19th 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 Learn

Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-ORACLE7-QEMUSYSTEMAARCH64-2595834
  • published10 Apr 2022
  • disclosed2 Jun 2020

Introduced: 2 Jun 2020

CVE-2020-13659  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:7 qemu-system-aarch64 to version 15:4.2.1-4.el7 or higher.
This issue was patched in ELSA-2021-9034.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-system-aarch64 package and not the qemu-system-aarch64 package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.

CVSS Scores

version 3.1