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CentOS Linux: CVE-2022-39189: Important: kernel-rt security and bug fix update (Multiple Advisories)

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CentOS Linux: CVE-2022-39189: 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
09/02/2022
Created
05/15/2023
Added
05/15/2023
Modified
08/21/2023

Description

An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.

Solution(s)

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

References

  • DSA-5480
  • CVE-2022-39189

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