Use After Free Affecting kernel-rt-debug-kvm package, versions <0:5.14.0-284.11.1.rt14.296.el9_2


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS9-KERNELRTDEBUGKVM-3045245
  • published14 Oct 2022
  • disclosed13 Oct 2022

Introduced: 13 Oct 2022

CVE-2022-42720  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:9 kernel-rt-debug-kvm to version 0:5.14.0-284.11.1.rt14.296.el9_2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.

CVSS Scores

version 3.1