NULL Pointer Dereference Affecting kernel-modules-extra package, versions <0:4.18.0-425.3.1.el8


Severity

Recommended
0.0
medium
0
10

Based on CentOS 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 Learn

Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CENTOS8-KERNELMODULESEXTRA-2933772
  • published22 Jun 2022
  • disclosed25 Mar 2022

Introduced: 25 Mar 2022

CVE-2022-2153  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-modules-extra to version 0:4.18.0-425.3.1.el8 or higher.

NVD Description

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

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

CVSS Scores

version 3.1