SB2025111329 - Input validation error in Linux kernel core



SB2025111329 - Input validation error in Linux kernel core

Published: November 13, 2025

Security Bulletin ID SB2025111329
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) Input validation error (CVE-ID: CVE-2025-40199)

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

The vulnerability exists due to improper input validation within the page_pool_dma_sync_for_device(), page_pool_dma_map(), page_pool_clear_pp_info() and __page_pool_release_page_dma() functions in net/core/page_pool.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.