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CentOS Linux: CVE-2021-33656: Important: kernel-rt security and bug fix update (Multiple Advisories)

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CentOS Linux: CVE-2021-33656: 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
07/18/2022
Created
05/17/2023
Added
05/17/2023
Modified
05/25/2023

Description

When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.

Solution(s)

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

References

  • CVE-2021-33656

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