Use After Free Affecting qemu-kvm package, versions <10:3.1.0-8.amzn2.0.4


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
2.29% (81st percentile)

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  • Snyk IDSNYK-AMZN2-QEMUKVM-1683708
  • published27 Sept 2021
  • disclosed22 Apr 2020

Introduced: 22 Apr 2020

CVE-2020-1983  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 qemu-kvm to version 10:3.1.0-8.amzn2.0.4 or higher.
This issue was patched in ALAS2-2020-1485.

NVD Description

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

A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.

CVSS Base Scores

version 3.1