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CVE-2026-93799

wifi: iwlwifi: mvm: validate sta_id in BA window status notif

HIGH
8.8
CVSS Score
Published: September 24, 2026 at 04:02 PM UTC
Updated: October 3, 2026 at 11:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8.8
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
4.6 ≤ v < 6.12.1114.6 ≤ v < 6.18.534.6 ≤ v < 6.6.1584.6 ≤ v < 7.23af512d6aac7eb6420086f124abb4426f5f4b3694.6
Vendor states this is fixed in 6aa77efaea9efea92e3090c35ad348fd759a3cf3 (fixed)
Vendor states this is fixed in bb08fbbbd5568d33069485ecb0a1657f115a4e9f (fixed)
Vendor states this is fixed in e35ae757c6462bfd3437bf58121bb721fe1f790c (fixed)
Vendor states this is fixed in f9938eb95e2ddab4a58d3946a320abcbd60b56a4 (fixed)
Vendor states this is fixed in 4.6 (unaffected)
Vendor states this is fixed in 6.12.111 (unaffected)
Vendor states this is fixed in 6.18.53 (unaffected)
Vendor states this is fixed in 6.6.158 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Source: cverecord
https://git.kernel.org/stable/c/bb08fbbbd5568d33069485ecb0a1657f115a4e9f
Source: cverecord
https://git.kernel.org/stable/c/e35ae757c6462bfd3437bf58121bb721fe1f790c
Source: cverecord
https://git.kernel.org/stable/c/6aa77efaea9efea92e3090c35ad348fd759a3cf3
Source: cverecord
https://git.kernel.org/stable/c/f9938eb95e2ddab4a58d3946a320abcbd60b56a4

CVSS

8.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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