SB2025042264 - Out-of-bounds read in Linux kernel ath ath11k driver



SB2025042264 - Out-of-bounds read in Linux kernel ath ath11k driver

Published: April 22, 2025 Updated: May 10, 2025

Security Bulletin ID SB2025042264
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) Out-of-bounds read (CVE-ID: CVE-2025-23133)

CWE-ID: CWE-125 - Out-of-bounds read

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 an out-of-bounds read error within the ath11k_reg_notifier(), ath11k_regd_update() and ath11k_regd_update_work() functions in drivers/net/wireless/ath/ath11k/reg.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.