SB20250327140 - Improper locking in Linux kernel dma ptdma driver



SB20250327140 - Improper locking in Linux kernel dma ptdma driver

Published: March 27, 2025 Updated: May 11, 2025

Security Bulletin ID SB20250327140
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) Improper locking (CVE-ID: CVE-2023-53013)

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

The vulnerability exists due to improper locking within the pt_core_execute_cmd() and pt_core_init() functions in drivers/dma/ptdma/ptdma-dev.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.