Sensitive Information Uncleared Before Release Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-477.27.1.rt7.290.el8_8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGKVM-6043511
  • published29 Mar 2023
  • disclosed5 Apr 2022

Introduced: 5 Apr 2022

CVE-2023-1637  (opens in a new tab)
CWE-226  (opens in a new tab)
CWE-385  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-kvm to version 0:4.18.0-477.27.1.rt7.290.el8_8 or higher.
This issue was patched in RHSA-2023:5255.

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 that boot CPU could be vulnerable for the speculative execution behavior kind of attacks in the Linux kernel X86 CPU Power management options functionality was found in the way user resuming CPU from suspend-to-RAM. A local user could use this flaw to potentially get unauthorized access to some memory of the CPU similar to the speculative execution behavior kind of attacks.

CVSS Scores

version 3.1