SB2023061702 - Privilege escalation in Linux kernel emac driver



SB2023061702 - Privilege escalation in Linux kernel emac driver

Published: June 17, 2023

Security Bulletin ID SB2023061702
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2023-33203)

The vulnerability allows an attacker to escalate privileges on the system.

The vulnerability exists due to a race condition in drivers/net/ethernet/qualcomm/emac/emac.c. An attacker with physical access to the system can exploit the race by unplugging an emac based device and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.