Information Exposure Affecting kernel-devel package, versions <0:4.14.320-243.544.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-AMZN2-KERNELDEVEL-5881356
  • published6 Sept 2023
  • disclosed8 Aug 2023

Introduced: 8 Aug 2023

CVE-2023-20569  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 kernel-devel to version 0:4.14.320-243.544.amzn2 or higher.
This issue was patched in ALAS2-2023-2179.

NVD Description

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

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

CVSS Scores

version 3.1