SB2022032308 - Information disclosure in AMD CPUs



SB2022032308 - Information disclosure in AMD CPUs

Published: March 23, 2022 Updated: October 19, 2022

Security Bulletin ID SB2022032308
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Exposure of Resource to Wrong Sphere (CVE-ID: CVE-2021-26341)

CWE-ID: CWE-668 - Exposure of resource to wrong sphere

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to some AMD CPUs may transiently execute beyond unconditional direct branches. A local user can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.