SB2025102352 - NULL pointer dereference in Linux kernel ath ath12k driver
Published: October 23, 2025 Updated: October 26, 2025
Security Bulletin ID
SB2025102352
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-53721)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ath12k_mac_op_hw_scan() function in drivers/net/wireless/ath/ath12k/mac.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.