Out-of-bounds Write Affecting kernel-debug-devel package, versions <0:4.18.0-372.93.1.el8_6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th 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-RHEL8-KERNELDEBUGDEVEL-6259896
  • published21 Feb 2024
  • disclosed8 Jul 2022

Introduced: 8 Jul 2022

CVE-2021-33655  (opens in a new tab)
CWE-787  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-debug-devel to version 0:4.18.0-372.93.1.el8_6 or higher.
This issue was patched in RHSA-2024:0930.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel package and not the kernel-debug-devel package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

CVSS Scores

version 3.1