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Use After Free Affecting kernel package, versions <0:4.14.101-91.76.amzn2

Severity

 Recommended
0.0
high
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.13% (49th percentile)

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  • Snyk ID SNYK-AMZN2-KERNEL-1669060
  • published 27 Sep 2021
  • disclosed 21 Mar 2019
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Introduced: 21 Mar 2019

CVE-2019-7221 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 kernel to version 0:4.14.101-91.76.amzn2 or higher.
This issue was patched in ALAS2-2019-1165.

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.

The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.

References