SB20250916268 - Buffer overflow in Linux kernel broadcom bnxt driver



SB20250916268 - Buffer overflow in Linux kernel broadcom bnxt driver

Published: September 16, 2025

Security Bulletin ID SB20250916268
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) Buffer overflow (CVE-ID: CVE-2025-39810)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the bnxt_set_xps_mapping(), bnxt_trim_dflt_sh_rings(), bnxt_set_dflt_rings() and bnxt_init_dflt_ring_mode() functions in drivers/net/ethernet/broadcom/bnxt/bnxt.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.