SB2025092472 - Memory leak in Linux kernel ath ath12k driver
Published: September 24, 2025
Security Bulletin ID
SB2025092472
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) Memory leak (CVE-ID: CVE-2025-39890)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ath12k_service_ready_ext_event() function in drivers/net/wireless/ath/ath12k/wmi.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.