Buffer Overflow Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-305.82.1.rt7.154.el8_4


Severity

Recommended
0.0
high
0
10

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-KERNELRTDEBUGKVM-4254902
  • published12 Dec 2022
  • disclosed9 Dec 2022

Introduced: 9 Dec 2022

CVE-2022-4378  (opens in a new tab)
CWE-120  (opens in a new tab)
CWE-131  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-kvm to version 0:4.18.0-305.82.1.rt7.154.el8_4 or higher.
This issue was patched in RHSA-2023:1220.

NVD Description

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

A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Scores

version 3.1