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Improper Input Validation Affecting kernel-rt package, versions <0:4.18.0-477.10.1.rt7.274.el8_8

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELRT-3046900
  • published 14 Oct 2022
  • disclosed 13 Oct 2022
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Introduced: 13 Oct 2022

CVE-2022-42721 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Centos:8 kernel-rt to version 0:4.18.0-477.10.1.rt7.274.el8_8 or higher.

NVD Description

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

A list management bug in 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 corrupt a linked list and, in turn, potentially execute code.

References

CVSS Scores

version 3.1
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NVD

5.5 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

5.5 medium
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SUSE

7.5 high