SB2023020238 - Denial of service in Linux kernel hid implementation



SB2023020238 - Denial of service in Linux kernel hid implementation

Published: February 2, 2023

Security Bulletin ID SB2023020238
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) Use-after-free (CVE-ID: CVE-2023-25012)

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

The vulnerability exists due to a use-after-free error within the bigben_remove() function in drivers/hid/hid-bigbenff.c. An attacker with physical access to the system can attach a specially crafted USB device to the system and cause a denial of service condition.


Remediation

Install update from vendor's website.