Out-of-bounds Read Affecting qemu-img package, versions <10:1.5.3-156.el7


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-RHEL7-QEMUIMG-4769261
  • published26 Jul 2021
  • disclosed25 Dec 2017

Introduced: 25 Dec 2017

CVE-2018-5683  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:7 qemu-img to version 10:1.5.3-156.el7 or higher.
This issue was patched in RHSA-2018:0816.

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 RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The vga_draw_text function in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation.

CVSS Scores

version 3.1