Use After Free Affecting qemu-kvm package, versions <10:1.5.3-175.el7_9.1


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-CENTOS7-QEMUKVM-2176819
  • published26 Jul 2021
  • disclosed2 Apr 2020

Introduced: 2 Apr 2020

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

How to fix?

Upgrade Centos:7 qemu-kvm to version 10:1.5.3-175.el7_9.1 or higher.

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 Centos. See How to fix? for Centos:7 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 Scores

version 3.1