High 7.1Published Mar 25, 2026

CVE-2026-23315wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211()

Updated under an hour ago (Oct 26, 2026, 9:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211() Check frame length before accessing the mgmt fields in mt76_connac2_mac_write_txwi_80211 in order to avoid a possible oob access. [fix check to also cover mgmt->u.action.u.addba_req.capab, correct Fixes tag]

CVSS: 7.1 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 577dbc6c656da6997dddc6cf842b7954588f2d4e before 84419556359bc96d3fe1623d47a64c86542566cc; 577dbc6c656da6997dddc6cf842b7954588f2d4e builds before 7ae7b093b7dba9548a3bc4766b9364b97db4732d; 577dbc6c656da6997dddc6cf842b7954588f2d4e builds before 7b692dff8df0ba5feb8df00f27d906d6eb1fe627; from 577dbc6c656da6997dddc6cf842b7954588f2d4e before 9612d91f617231e03c49cb9b0c02f975a3b4f51f; 577dbc6c656da6997dddc6cf842b7954588f2d4e builds before 0fb3b94a9431a3800717e5c3b6fa2e1045a15029; 577dbc6c656da6997dddc6cf842b7954588f2d4e builds before 4e10a730d1b511ff49723371ed6d694dd1b2c785	CNA record
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)	all versions	CISA ADP
linux linux_kernel linux:linux_kernel	from 5.10.1 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.77; from 6.13 before 6.18.17; from 6.19 before 6.19.7; 5.10; 7.0; 7.0; and 5 more ranges	NVD

References

References

https://git.kernel.org/stable/c/84419556359bc96d3fe1623d47a64c86542566cc	patch
https://git.kernel.org/stable/c/7ae7b093b7dba9548a3bc4766b9364b97db4732d	patch
https://git.kernel.org/stable/c/7b692dff8df0ba5feb8df00f27d906d6eb1fe627	patch
https://git.kernel.org/stable/c/9612d91f617231e03c49cb9b0c02f975a3b4f51f	patch
https://git.kernel.org/stable/c/0fb3b94a9431a3800717e5c3b6fa2e1045a15029	patch
https://git.kernel.org/stable/c/4e10a730d1b511ff49723371ed6d694dd1b2c785	patch
https://cert-portal.siemens.com/productcert/html/ssa-784472.html

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.