SB2024082121 - Improper locking in Linux kernel hw hns driver



SB2024082121 - Improper locking in Linux kernel hw hns driver

Published: August 21, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024082121
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) Improper locking (CVE-ID: CVE-2024-43872)

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

The vulnerability exists due to improper locking within the next_ceqe_sw_v2(), hns_roce_v2_msix_interrupt_eq(), hns_roce_ceq_work(), __hns_roce_request_irq() and __hns_roce_free_irq() functions in drivers/infiniband/hw/hns/hns_roce_hw_v2.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.