Information Exposure Affecting kernel package, versions <0:4.9.76-38.79.amzn2


Severity

Recommended
critical

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    97.38% (100th percentile)

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  • Snyk ID SNYK-AMZN2-KERNEL-1660424
  • published 27 Sep 2021
  • disclosed 4 Jan 2018

How to fix?

Upgrade Amazon-Linux:2 kernel to version 0:4.9.76-38.79.amzn2 or higher.
This issue was patched in ALAS2-2018-939.

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:2 relevant fixed versions and status.

Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis of the data cache.

References