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


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-ORACLE7-QEMUIMG-2595508
  • 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-img 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-img package and not the qemu-img 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