Heap-based Buffer Overflow Affecting kernel package, versions <0:4.14.275-142.503.amzn1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th 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 IDSNYK-AMZN201803-KERNEL-2767937
  • published20 Apr 2022
  • disclosed23 Mar 2022

Introduced: 23 Mar 2022

CVE-2022-27666  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel to version 0:4.14.275-142.503.amzn1 or higher.
This issue was patched in ALAS-2022-1581.

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:2018.03 relevant fixed versions and status.

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.

CVSS Scores

version 3.1