Use After Free Affecting bpftool package, versions <0:4.18.0-147.el8


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-CENTOS8-BPFTOOL-1997100
  • published26 Jul 2021
  • disclosed9 Dec 2019

Introduced: 9 Dec 2019

CVE-2020-10720  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 bpftool to version 0:4.18.0-147.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A flaw was found in the Linux kernel's implementation of GRO in versions before 5.2. This flaw allows an attacker with local access to crash the system.

CVSS Scores

version 3.1