Race Condition Affecting kernel-rt-modules-extra package, versions <0:4.18.0-513.5.1.rt7.307.el8_9


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.05% (18th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELRTMODULESEXTRA-5745426
  • published 28 Jun 2023
  • disclosed 15 Feb 2023

How to fix?

Upgrade Centos:8 kernel-rt-modules-extra to version 0:4.18.0-513.5.1.rt7.307.el8_9 or higher.

NVD Description

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

A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the handling of GEM objects. The issue results from improper locking when performing operations on an object. This flaw allows a local privileged user to disclose information in the context of the kernel.

CVSS Scores

version 3.1
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NVD

5.3 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
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Red Hat

6.7 medium
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SUSE

6.7 medium