SB20240531525 - NULL pointer dereference in Linux kernel intel ice driver



SB20240531525 - NULL pointer dereference in Linux kernel intel ice driver

Published: May 31, 2024 Updated: May 14, 2025

Security Bulletin ID SB20240531525
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) NULL pointer dereference (CVE-ID: CVE-2021-47127)

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

The vulnerability exists due to NULL pointer dereference within the ice_xsk_pool_disable() and ice_xsk_pool_enable() functions in drivers/net/ethernet/intel/ice/ice_xsk.c, within the ice_vsi_alloc_arrays() and ice_vsi_free_arrays() functions in drivers/net/ethernet/intel/ice/ice_lib.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.