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CentOS Linux: CVE-2021-42739: Moderate: kernel security and bug fix update (Multiple Advisories)

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CentOS Linux: CVE-2021-42739: Moderate: kernel security and bug fix update (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
10/20/2021
Created
02/18/2022
Added
02/17/2022
Modified
05/25/2023

Description

A heap-based buffer overflow flaw was found in the Linux kernel FireDTV media card driver, where the user calls the CA_SEND_MSG ioctl. This flaw allows a local user of the host machine to crash the system or escalate privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Solution(s)

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

References

  • DSA-5096
  • CVE-2021-42739

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