Exposure of Resource to Wrong Sphere Affecting kernel-rt-debug package, versions <0:4.18.0-477.10.1.rt7.274.el8_8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUG-5544923
  • published25 Apr 2023
  • disclosed8 Mar 2022

Introduced: 8 Mar 2022

CVE-2021-26341  (opens in a new tab)
CWE-668  (opens in a new tab)
CWE-552  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug to version 0:4.18.0-477.10.1.rt7.274.el8_8 or higher.
This issue was patched in RHSA-2023:2736.

NVD Description

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

Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.

CVSS Scores

version 3.1