SB20250619216 - Out-of-bounds read in Linux kernel ptp driver



SB20250619216 - Out-of-bounds read in Linux kernel ptp driver

Published: June 19, 2025

Security Bulletin ID SB20250619216
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) Out-of-bounds read (CVE-ID: CVE-2025-38054)

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

The vulnerability exists due to an out-of-bounds read error within the OCP_REQ_TIMESTAMP BIT(), ptp_ocp_fb_board_init(), ptp_ocp_art_board_init(), ptp_ocp_adva_board_init(), _signal_summary_show(), _frequency_summary_show() and ptp_ocp_summary_show() functions in drivers/ptp/ptp_ocp.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.