CVE-2026-98828Medium· 6.2▾ SunlitA flaw was found in the Linux kernel's ath9k wireless driver. When handling Wireless Module Interface (WMI) command responses, the driver copies data into a response buffer without verifying that the received message is sufficiently long. …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 34.1 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 6.2
none → medium
A flaw was found in the Linux kernel's ath9k wireless driver. When handling Wireless Module Interface (WMI) command responses, the driver copies data into a response buffer without verifying that the received message is sufficiently long. A malicious or compromised device can return a truncated response to trigger an out-of-bounds read beyond the allocated packet buffer. This issue can result in a Denial of Service (DoS) due to a system crash or potentially lead to information disclosure.
kernel: wifi: ath9k: reject short WMI command responses — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-23.
Affected:
No fix planned:
Out of support scope
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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