Information Exposure Affecting kernel package, versions <0:4.14.285-147.501.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.12% (49th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNEL-2945379
  • published8 Jul 2022
  • disclosed5 Aug 2022

Introduced: 8 Jul 2022

CVE-2022-1012  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel to version 0:4.14.285-147.501.amzn1 or higher.
This issue was patched in ALAS-2022-1604.

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 memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.

CVSS Scores

version 3.1