Use After Free Affecting kernel-tools package, versions <0:4.14.309-231.529.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-AMZN2-KERNELTOOLS-5496375
  • published4 May 2023
  • disclosed19 Apr 2023

Introduced: 19 Apr 2023

CVE-2023-2162  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 kernel-tools to version 0:4.14.309-231.529.amzn2 or higher.
This issue was patched in ALAS2-2023-1987.

NVD Description

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

A use-after-free vulnerability was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the Linux Kernel. In this flaw an attacker could leak kernel internal information.

CVSS Scores

version 3.1