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CentOS Linux: CVE-2021-3732: Moderate: kernel-rt security and bug fix update (Multiple Advisories)

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CentOS Linux: CVE-2021-3732: Moderate: kernel-rt security and bug fix update (Multiple Advisories)

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
11/09/2021
Created
11/11/2021
Added
11/10/2021
Modified
05/25/2023

Description

A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.

Solution(s)

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

References

  • CVE-2021-3732

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