Use After Free Affecting kernel-64k-debug-modules-extra package, versions <0:5.14.0-362.8.1.el9_3


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 Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL9-KERNEL64KDEBUGMODULESEXTRA-8460275
  • published5 Dec 2024
  • disclosed31 Jan 2022

Introduced: 31 Jan 2022

CVE-2023-1249  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kernel-64k-debug-modules-extra to version 0:5.14.0-362.8.1.el9_3 or higher.
This issue was patched in RHSA-2023:6583.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-64k-debug-modules-extra package and not the kernel-64k-debug-modules-extra package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A use-after-free flaw was found in the Linux kernel’s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 ("coredump: Use the vma snapshot in fill_files_note") not applied yet, then kernel could be affected.

CVSS Scores

version 3.1