Improper Input Validation Affecting kernel-rt-core package, versions <0:4.18.0-372.9.1.rt7.166.el8


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTCORE-4272739
  • published26 Jul 2021
  • disclosed20 Jun 2021

Introduced: 20 Jun 2021

CVE-2021-3612  (opens in a new tab)
CWE-20  (opens in a new tab)
CWE-119  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-rt-core to version 0:4.18.0-372.9.1.rt7.166.el8 or higher.
This issue was patched in RHSA-2022:1975.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-core package and not the kernel-rt-core package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allows a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Scores

version 3.1