SB20250226306 - Use-after-free in Linux kernel hns3 hns3pf driver



SB20250226306 - Use-after-free in Linux kernel hns3 hns3pf driver

Published: February 26, 2025 Updated: May 11, 2025

Security Bulletin ID SB20250226306
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) Use-after-free (CVE-ID: CVE-2022-49182)

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

The vulnerability exists due to a use-after-free error within the hclge_add_vport_vlan_table(), hclge_add_vport_all_vlan_table(), hclge_rm_vport_vlan_table(), hclge_rm_vport_all_vlan_table(), hclge_uninit_vport_vlan_table(), hclge_restore_vport_vlan_table() and hclge_uninit_ae_dev() functions in drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.