Information Exposure Affecting linux-firmware-whence package, versions <0:20230814-140.el9_3


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-ALMALINUX9-LINUXFIRMWAREWHENCE-6061689
  • published15 Nov 2023
  • disclosed10 Jan 2024

Introduced: 15 Nov 2023

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

How to fix?

Upgrade AlmaLinux:9 linux-firmware-whence to version 0:20230814-140.el9_3 or higher.
This issue was patched in ALSA-2023:6595.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-firmware-whence package and not the linux-firmware-whence package as distributed by AlmaLinux. See How to fix? for AlmaLinux: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 Base Scores

version 3.1