NULL Pointer Dereference Affecting kernel-headers package, versions <0:4.14.334-252.552.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (5th 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 NULL Pointer Dereference vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-AMZN2-KERNELHEADERS-8540478
  • published20 Dec 2024
  • disclosed21 May 2024

Introduced: 21 May 2024

CVE-2023-52809  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 kernel-headers to version 0:4.14.334-252.552.amzn2 or higher.
This issue was patched in ALAS2-2024-2391.

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 Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup()

fc_lport_ptp_setup() did not check the return value of fc_rport_create() which can return NULL and would cause a NULL pointer dereference. Address this issue by checking return value of fc_rport_create() and log error message on fc_rport_create() failed.

CVSS Scores

version 3.1