SB2022110834 - Privilege escalation in Intel BIOS firmware

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Main Vulnerability Database SB2022110834

SB2022110834 - Privilege escalation in Intel BIOS firmware

Published: November 8, 2022

Security Bulletin ID SB2022110834
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2022-26006)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input in the BIOS firmware. A local user can run a specially crafted program to escalate privileges on the system.


2) Race condition (CVE-ID: CVE-2022-21198)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the BIOS firmware. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.


Remediation

Install update from vendor's website.

References