SB2025070550 - Integer underflow in Linux kernel intel i40e driver



SB2025070550 - Integer underflow in Linux kernel intel i40e driver

Published: July 5, 2025

Security Bulletin ID SB2025070550
CSH 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 vulnerability.


1) Integer underflow (CVE-ID: CVE-2025-38200)

CWE-ID: CWE-191 - Integer underflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer underflow within the i40e_pf_reset() function in drivers/net/ethernet/intel/i40e/i40e_common.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.