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Information Exposure Affecting kernel package, versions <0:4.14.67-71.56.amzn2

Severity

 Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-AMZN2-KERNEL-1673979
  • published27 Sept 2021
  • disclosed20 Aug 2018
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Introduced: 20 Aug 2018

CVE-2018-15594  (opens in a new tab)
CWE-200  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Amazon-Linux:2 kernel to version 0:4.14.67-71.56.amzn2 or higher.
This issue was patched in ALAS2-2019-1280.

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.

arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.

References