SB2024060337 - Improper locking in Linux kernel spi driver

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Main Vulnerability Database SB2024060337

SB2024060337 - Improper locking in Linux kernel spi driver

Published: June 3, 2024 Updated: May 14, 2025

Security Bulletin ID SB2024060337
CSH 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 vulnerability.


1) Improper locking (CVE-ID: CVE-2021-47469)

CWE-ID: CWE-667 - Improper Locking

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to improper locking within the LIST_HEAD(), spi_add_device(), spi_add_device_locked(), spi_register_controller() and spi_unregister_controller() functions in drivers/spi/spi.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References