CVE-2026-72004
kernel: wifi: mac80211: fix memory leak in ieee80211_register_hw()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 15, 2026
Updated · August 19, 2026
Description
A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. This issue occurs when the system attempts to copy Wi-Fi band structures, and an error during this process causes a memory resource to not be properly released. This oversight leads to a memory leak within the kernel, which could potentially impact system stability or lead to 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