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Red Hat OpenShift: CVE-2020-14381: kernel: referencing inode of removed superblock in get_futex_key() causes UAF

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Red Hat OpenShift: CVE-2020-14381: kernel: referencing inode of removed superblock in get_futex_key() causes UAF

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
12/03/2020
Created
03/13/2021
Added
03/12/2021
Modified
03/12/2021

Description

A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Solution(s)

  • linuxrpm-upgrade-redhat-coreos

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