SB2025102306 - Memory leak in Linux kernel clocksource driver



SB2025102306 - Memory leak in Linux kernel clocksource driver

Published: October 23, 2025 Updated: October 26, 2025

Security Bulletin ID SB2025102306
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) Memory leak (CVE-ID: CVE-2023-53725)

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

The vulnerability exists due to memory leak within the ttc_timer_probe() function in drivers/clocksource/timer-cadence-ttc.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.