Use After Free Affecting kernel-headers package, versions <0:5.14.0-362.18.1.el9_3


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (20th 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-ORACLE9-KERNELHEADERS-6207848
  • published27 Jan 2024
  • disclosed24 Jul 2023

Introduced: 24 Jul 2023

CVE-2023-3812  (opens in a new tab)
CWE-416  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-headers to version 0:5.14.0-362.18.1.el9_3 or higher.
This issue was patched in ELSA-2024-0461.

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 Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Scores

version 3.1