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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-93799
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-24 17:17:12 UTC
Updated2026-10-03 11:17:49 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.002410000 probability, percentile 0.139160000 (date 2026-10-05)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 3af512d6aac7eb6420086f124abb4426f5f4b369 f9938eb95e2ddab4a58d3946a320abcbd60b56a4 git Not specified
CNA Linux Linux affected 3af512d6aac7eb6420086f124abb4426f5f4b369 bb08fbbbd5568d33069485ecb0a1657f115a4e9f git Not specified
CNA Linux Linux affected 3af512d6aac7eb6420086f124abb4426f5f4b369 e35ae757c6462bfd3437bf58121bb721fe1f790c git Not specified
CNA Linux Linux affected 3af512d6aac7eb6420086f124abb4426f5f4b369 6aa77efaea9efea92e3090c35ad348fd759a3cf3 git Not specified
CNA Linux Linux affected 4.6 Not specified
CNA Linux Linux unaffected 4.6 semver Not specified
CNA Linux Linux unaffected 6.6.158 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.111 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.53 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/f9938eb95e2ddab4a58d3946a320abcbd60b56a4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/bb08fbbbd5568d33069485ecb0a1657f115a4e9f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e35ae757c6462bfd3437bf58121bb721fe1f790c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6aa77efaea9efea92e3090c35ad348fd759a3cf3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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