SB2025082049 - NULL pointer dereference in Linux kernel ath ath12k driver
Published: August 20, 2025
Security Bulletin ID
SB2025082049
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-2025-38606)
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_p2p_noa_update_vdev_iter() function in drivers/net/wireless/ath/ath12k/p2p.c, within the ath12k_get_arvif_iter(), ath12k_mac_handle_beacon_iter(), ath12k_mac_handle_beacon_miss_iter(), ath12k_mac_change_chanctx_cnt_iter() and ath12k_mac_change_chanctx_fill_iter() functions 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.