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CentOS Linux: CVE-2022-42720: Important: kernel-rt security and bug fix update (Multiple Advisories)

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CentOS Linux: CVE-2022-42720: Important: kernel-rt security and bug fix update (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
10/14/2022
Created
05/15/2023
Added
05/15/2023
Modified
05/25/2023

Description

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.

Solution(s)

  • centos-upgrade-kernel
  • centos-upgrade-kernel-rt

References

  • DSA-5257
  • CVE-2022-42720

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