Race Condition Affecting bpftool package, versions <0:4.18.0-513.5.1.el8_9


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-CENTOS8-BPFTOOL-3160494
  • published7 Dec 2022
  • disclosed23 Nov 2022

Introduced: 23 Nov 2022

CVE-2022-45869  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Centos:8 bpftool to version 0:4.18.0-513.5.1.el8_9 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 race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the TDP MMU are enabled.

CVSS Scores

version 3.1