SB2025012020 - Out-of-bounds read in Linux kernel hns3 hns3pf driver



SB2025012020 - Out-of-bounds read in Linux kernel hns3 hns3pf driver

Published: January 20, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025012020
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) Out-of-bounds read (CVE-ID: CVE-2025-21650)

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

The vulnerability exists due to an out-of-bounds read error within the hclgevf_get_regs_len() and hclgevf_get_regs() functions in drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_regs.c, within the hclge_fetch_pf_reg() function in drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_regs.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.