Integer Overflow or Wraparound Affecting bpftool package, versions <0:4.18.0-372.9.1.el8


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-CENTOS8-BPFTOOL-1952135
  • published21 Oct 2021
  • disclosed22 Mar 2020

Introduced: 22 Mar 2020

CVE-2020-13974  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Centos:8 bpftool to version 0:4.18.0-372.9.1.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.

An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.

CVSS Scores

version 3.1