CVE-2026-92498 wifi: ath6kl: avoid buffer overreads in WMI event handlers
Attackers can trigger buffer overreads in ath6kl Wi-Fi drivers, potentially causing crashes or leaking kernel memory.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-92498?
CVE-2026-92498 is a memory corruption vulnerability in Linux, published on 17 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath6kl: avoid buffer overreads in WMI event handlers
The following WMI event handlers currently read from the event buffer without first verifying that the message was large enough to hold the expected event: ath6kl_wmi_scan_complete_rx() ath6kl_wmi_addba_req_event_rx() ath6kl_wmi_delba_req_event_rx()
Add length checks to prevent overread.
Which versions are affected by CVE-2026-92498?
How do I fix CVE-2026-92498?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-92498 being exploited?
There is no known exploitation of CVE-2026-92498 in the wild and no public exploit code.
Sources
Also known as AZL-102903, BELL-CVE-2026-92498, DEBIAN-CVE-2026-92498, GHSA-xxj4-w3jf-p3rj, UBUNTU-CVE-2026-92498.