SB2025102365 - Integer underflow in Linux kernel xdp



SB2025102365 - Integer underflow in Linux kernel xdp

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

Security Bulletin ID SB2025102365
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Integer underflow (CVE-ID: CVE-2023-53698)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer underflow within the xsk_bind() function in net/xdp/xsk.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.