SB2023032824 - Denial of service in Linux kernel az6027 driver 



SB2023032824 - Denial of service in Linux kernel az6027 driver

Published: March 28, 2023 Updated: May 21, 2025

Security Bulletin ID SB2023032824
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local 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) NULL pointer dereference (CVE-ID: CVE-2023-28328)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the az6027 driver in drivers/media/usb/dev-usb/az6027.c in the Linux Kernel. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References