SB2025032756 - Resource management error in Linux kernel net



SB2025032756 - Resource management error in Linux kernel net

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

Security Bulletin ID SB2025032756
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) Resource management error (CVE-ID: CVE-2025-21868)

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

The vulnerability exists due to resource management error within the SKB_HEAD_ALIGN(), __netdev_alloc_skb() and napi_alloc_skb() functions in net/core/skbuff.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.