Use After Free Affecting container-tools:rhel8/fuse-overlayfs package, versions <0:1.0.0-2.module+el8.2.1+6465+1a51e8b6


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-RHEL8-CONTAINERTOOLS-3793822
  • 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 RHEL:8 container-tools:rhel8/fuse-overlayfs to version 0:1.0.0-2.module+el8.2.1+6465+1a51e8b6 or higher.
This issue was patched in RHSA-2020:3053.

NVD Description

Note: Versions mentioned in the description apply only to the upstream container-tools:rhel8/fuse-overlayfs package and not the container-tools:rhel8/fuse-overlayfs package as distributed by RHEL. See How to fix? for RHEL:8 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