Out-of-Bounds Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-193.13.2.rt13.65.el8_2


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (25th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGKVM-3771399
  • published26 Jul 2021
  • disclosed4 Jun 2020

Introduced: 4 Jun 2020

CVE-2020-10757  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-kvm to version 0:4.18.0-193.13.2.rt13.65.el8_2 or higher.
This issue was patched in RHSA-2020:3016.

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 in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.

CVSS Scores

version 3.1