CVE-2026-23315wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211()
- 7.1HighCVSS base score
- 0.13%Exploitation in 30 daysEPSS · top 97% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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]
Timeline
ID reserved
By Linux
- 2 months later
· 2 months later
Published
- 8 months later
· 8 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.13% · top 97% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
- affected 577dbc6c656da6997dddc6cf842b7954588f2d4e – < 84419556359bc96d3fe1623d47a64c86542566cc
- affected 577dbc6c656da6997dddc6cf842b7954588f2d4e – < 7ae7b093b7dba9548a3bc4766b9364b97db4732d
- affected 577dbc6c656da6997dddc6cf842b7954588f2d4e – < 7b692dff8df0ba5feb8df00f27d906d6eb1fe627
- affected 577dbc6c656da6997dddc6cf842b7954588f2d4e – < 9612d91f617231e03c49cb9b0c02f975a3b4f51f
- affected 577dbc6c656da6997dddc6cf842b7954588f2d4e – < 0fb3b94a9431a3800717e5c3b6fa2e1045a15029
- affected 577dbc6c656da6997dddc6cf842b7954588f2d4e – < 4e10a730d1b511ff49723371ed6d694dd1b2c785
- affected 5.10
- unaffected < 5.10
- unaffected 6.1.167 – ≤ 6.1.*
- unaffected 6.6.130 – ≤ 6.6.*
- unaffected 6.12.77 – ≤ 6.12.*
- unaffected 6.18.17 – ≤ 6.18.*
- unaffected 6.19.7 – ≤ 6.19.*
- unaffected 7.0 – ≤ *
References
References7
- https://git.kernel.org/stable/c/84419556359bc96d3fe1623d47a64c86542566cc (opens in a new tab)
- https://git.kernel.org/stable/c/7ae7b093b7dba9548a3bc4766b9364b97db4732d (opens in a new tab)
- https://git.kernel.org/stable/c/7b692dff8df0ba5feb8df00f27d906d6eb1fe627 (opens in a new tab)
- https://git.kernel.org/stable/c/9612d91f617231e03c49cb9b0c02f975a3b4f51f (opens in a new tab)
- https://git.kernel.org/stable/c/0fb3b94a9431a3800717e5c3b6fa2e1045a15029 (opens in a new tab)
- https://git.kernel.org/stable/c/4e10a730d1b511ff49723371ed6d694dd1b2c785 (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-15261 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-23315)Record last updated .