SB2025081857 - Division by zero in Linux kernel damon



SB2025081857 - Division by zero in Linux kernel damon

Published: August 18, 2025

Security Bulletin ID SB2025081857
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) Division by zero (CVE-ID: CVE-2025-38519)

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

The vulnerability exists due to a division by zero error within the damon_get_intervals_score() function in mm/damon/core.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.