wifi: mac80211: validate individual TWT params before driver setup

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80722
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-28 08:16:58 UTC
Updated2026-08-29 07:16:54 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate individual TWT params before driver setup ieee80211_process_rx_twt_action() only partially validates a received S1G TWT setup frame before queueing it. An individual agreement can therefore reach ieee80211_s1g_rx_twt_setup() with twt->length too short for the full struct ieee80211_twt_params. The individual path passes twt to drv_add_twt_setup(). Both the tracepoint and the driver callback consume the complete parameters block, not merely req_type. Do not pass a short individual agreement to the driver. Broadcast agreements remain unchanged because they are rejected locally after accessing only req_type. [edit commit message to not overclaim lack of validation nor understate driver impact]

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: 0.001610000 probability, percentile 0.055150000 (date 2026-08-28)

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 f5a4c24e689f54e66201f04d343bdd2e8a1d7923 92fcd0f30dc8e51f252589b082d46851d295cc1a git Not specified
CNA Linux Linux affected f5a4c24e689f54e66201f04d343bdd2e8a1d7923 09d60d1f72e6598241490eb6c4e97245af895c09 git Not specified
CNA Linux Linux affected f5a4c24e689f54e66201f04d343bdd2e8a1d7923 ff558072d199c1d641d1561da622e67f780514de git Not specified
CNA Linux Linux affected f5a4c24e689f54e66201f04d343bdd2e8a1d7923 ade9e2f0f7f4d3089600ac2af8ef0b91746f923b git Not specified
CNA Linux Linux affected f5a4c24e689f54e66201f04d343bdd2e8a1d7923 b558e07708d886acfcf4b0391ed7a8546e81d326 git Not specified
CNA Linux Linux affected f5a4c24e689f54e66201f04d343bdd2e8a1d7923 47fb04c3826e1f90271d405523043d6708b9072a git Not specified
CNA Linux Linux affected f5a4c24e689f54e66201f04d343bdd2e8a1d7923 0502d5077e419427d80f4d46ba95d0067f5fb916 git Not specified
CNA Linux Linux affected 5.15 Not specified
CNA Linux Linux unaffected 5.15 semver Not specified
CNA Linux Linux unaffected 5.15.216 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.183 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.151 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.103 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.44 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.8 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/0502d5077e419427d80f4d46ba95d0067f5fb916 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ade9e2f0f7f4d3089600ac2af8ef0b91746f923b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/47fb04c3826e1f90271d405523043d6708b9072a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ff558072d199c1d641d1561da622e67f780514de 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b558e07708d886acfcf4b0391ed7a8546e81d326 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/92fcd0f30dc8e51f252589b082d46851d295cc1a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/09d60d1f72e6598241490eb6c4e97245af895c09 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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