CVE-2026-98307
kernel: wifi: ath11k: cleanup arsta in ath11k_mac_peer_cleanup_all()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 6, 2026
Updated · October 11, 2026
Description
A flaw was found in the Linux kernel's ath11k wireless driver. This vulnerability can lead to a Denial of Service (DoS) through memory exhaustion. When recovering from a wireless firmware crash, the driver fails to free memory allocated for station statistics. An attacker or anomalous condition capable of triggering repeated firmware restarts can exploit this issue to progressively leak kernel memory, ultimately degrading performance or crashing the system.
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