SB2023041037 - Information disclosure in Linux kernel X86 CPU Power management



SB2023041037 - Information disclosure in Linux kernel X86 CPU Power management

Published: April 10, 2023

Security Bulletin ID SB2023041037
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 security vulnerability.


1) Information exposure through microarchitectural state after transient execution (CVE-ID: CVE-2023-1637)

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

The vulnerability exists due speculative execution behavior in the Linux kernel X86 CPU Power management options functionality. A local user can gain access to sensitive information.



Remediation

Install update from vendor's website.