SB2020063007 - Red Hat Enterprise Linux 7.7 update for microcode_ctl

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Main Vulnerability Database SB2020063007

SB2020063007 - Red Hat Enterprise Linux 7.7 update for microcode_ctl

Published: June 30, 2020

Security Bulletin ID SB2020063007
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2020-0543)

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

The vulnerability exists due to incomplete cleanup from specific special register read operations in some Intel(R) Processors. A local user can gain unauthorized access to sensitive information on the system.


2) Information disclosure (CVE-ID: CVE-2020-0548)

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

The vulnerability exists due to cleanup errors. A local user can gain unauthorized access to sensitive information on the system.


3) Information disclosure (CVE-ID: CVE-2020-0549)

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

The vulnerability exists due to cleanup errors in some data cache evictions. A local user can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.

References