Information Exposure Affecting kernel-debug-uki-virt package, versions <0:5.14.0-362.13.1.el9_3


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-RHEL9-KERNELDEBUGUKIVIRT-5830842
  • published9 Aug 2023
  • disclosed8 Aug 2023

Introduced: 8 Aug 2023

CVE-2023-20569  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kernel-debug-uki-virt to version 0:5.14.0-362.13.1.el9_3 or higher.
This issue was patched in RHSA-2023:7749.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-uki-virt package and not the kernel-debug-uki-virt package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

CVSS Scores

version 3.1