Use After Free Affecting kernel-headers package, versions <0:4.18.0-425.3.1.el8


Severity

Recommended
medium

Based on Rocky Linux security rating

    Threat Intelligence

    EPSS
    0.04% (14th 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 ID SNYK-ROCKY8-KERNELHEADERS-3193680
  • published 5 Jan 2023
  • disclosed 23 Aug 2022

How to fix?

Upgrade Rocky-Linux:8 kernel-headers to version 0:4.18.0-425.3.1.el8 or higher.
This issue was patched in RLSA-2022:7683.

NVD Description

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

A flaw was found in the Linux kernel's implementation of Pressure Stall Information. While the feature is disabled by default, it could allow an attacker to crash the system or have other memory-corruption side effects.

CVSS Scores

version 3.1
Expand this section

NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

SUSE

6.7 medium
Expand this section

Red Hat

7.8 high