CVE-2026-93799wifi: iwlwifi: mvm: validate sta_id in BA window status notif
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: validate sta_id in BA window status notif BA_WINDOW_STATUS_NOTIFICATION_ID extracts a 5-bit sta_id from the firmware notification and uses it to index fw_id_to_mac_id[] without bounds checking. Validate sta_id before array access to prevent out-of-bounds indexing.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 3af512d6aac7eb6420086f124abb4426f5f4b369 before f9938eb95e2ddab4a58d3946a320abcbd60b56a4; from 3af512d6aac7eb6420086f124abb4426f5f4b369 before bb08fbbbd5568d33069485ecb0a1657f115a4e9f; from 3af512d6aac7eb6420086f124abb4426f5f4b369 before e35ae757c6462bfd3437bf58121bb721fe1f790c; from 3af512d6aac7eb6420086f124abb4426f5f4b369 before 6aa77efaea9efea92e3090c35ad348fd759a3cf3 | CNA record |
References
- https://git.kernel.org/stable/c/f9938eb95e2ddab4a58d3946a320abcbd60b56a4
- https://git.kernel.org/stable/c/bb08fbbbd5568d33069485ecb0a1657f115a4e9f
- https://git.kernel.org/stable/c/e35ae757c6462bfd3437bf58121bb721fe1f790c
- https://git.kernel.org/stable/c/6aa77efaea9efea92e3090c35ad348fd759a3cf3
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.