Use After Free Affecting qemu-kvm-debuginfo package, versions <10:1.5.3-156.24.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
2.36% (83rd percentile)

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  • Snyk IDSNYK-AMZN201803-QEMUKVMDEBUGINFO-1725641
  • 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:2018.03 qemu-kvm-debuginfo to version 10:1.5.3-156.24.amzn1 or higher.
This issue was patched in ALAS-2020-1449.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm-debuginfo package and not the qemu-kvm-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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