Use After Free Affecting kernel-debug-modules package, versions <0:4.18.0-305.125.1.el8_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELDEBUGMODULES-6459902
  • published19 Mar 2024
  • disclosed5 Apr 2022

Introduced: 5 Apr 2022

CVE-2022-41858  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-debug-modules to version 0:4.18.0-305.125.1.el8_4 or higher.
This issue was patched in RHSA-2024:1367.

NVD Description

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

A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.

CVSS Scores

version 3.1