CVE-2026-64155
kernel: wifi: ath11k: fix error path leaks in some WMI WOW calls
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 19, 2026
Updated · August 19, 2026
Description
A flaw was found in the Linux kernel's ath11k Wi-Fi driver. This vulnerability is caused by improper error handling in certain Wireless Management Interface (WMI) Wake-on-Wireless (WOW) calls. Specifically, the ath11k_wmi_cmd_send function did not properly free socket buffers (skb) in error paths, leading to a resource leak. This resource leak could potentially lead to system instability or a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime