Use After Free Affecting kernel package, versions <0:4.14.276-211.499.amzn2


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.28% (20th percentile)

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  • Snyk IDSNYK-AMZN2-KERNEL-6228256
  • published6 Feb 2024
  • disclosed17 Jan 2023

Introduced: 17 Jan 2023

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

How to fix?

Upgrade Amazon-Linux:2 kernel to version 0:4.14.276-211.499.amzn2 or higher.
This issue was patched in ALAS2-2022-1793.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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 Base Scores

version 3.1