SB2023051116 - Denial of service in Linux kernel Qualcomm EMAC Gigabit Ethernet Controller



SB2023051116 - Denial of service in Linux kernel Qualcomm EMAC Gigabit Ethernet Controller

Published: May 11, 2023

Security Bulletin ID SB2023051116
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Denial of service

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-2023-2483)

The vulnerability allows an attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition in Qualcomm EMAC Gigabit Ethernet Controller. An attacker with physical access to system can remove the device before cleanup in the emac_remove() function is called, trigger a use-after-free error and crash the kernel.


Remediation

Install update from vendor's website.