NULL Pointer Dereference Affecting kernel-headers package, versions <0:4.14.281-144.502.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELHEADERS-5918305
  • published26 Sept 2023
  • disclosed21 Aug 2023

Introduced: 21 Aug 2023

CVE-2023-4459  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-headers to version 0:4.14.281-144.502.amzn1 or higher.
This issue was patched in ALAS-2022-1591.

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:2018.03 relevant fixed versions and status.

A NULL pointer dereference flaw was found in vmxnet3_rq_cleanup in drivers/net/vmxnet3/vmxnet3_drv.c in the networking sub-component in vmxnet3 in the Linux Kernel. This issue may allow a local attacker with normal user privilege to cause a denial of service due to a missing sanity check during cleanup.

CVSS Scores

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