Out-of-bounds Write Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-193.28.1.rt13.77.el8_2


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGKVM-3819323
  • published26 Jul 2021
  • disclosed3 Sept 2020

Introduced: 3 Sep 2020

CVE-2020-14386  (opens in a new tab)
CWE-787  (opens in a new tab)
CWE-250  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-kvm to version 0:4.18.0-193.28.1.rt13.77.el8_2 or higher.
This issue was patched in RHSA-2020:4289.

NVD Description

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

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

CVSS Scores

version 3.1