High 8.8Published Oct 1, 2025

CVE-2025-39919wifi: mt76: mt7996: add missing check for rx wcid entries

Updated under an hour ago (Oct 28, 2026, 2:10 AM 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: mt7996: add missing check for rx wcid entries Non-station wcid entries must not be passed to the rx functions. In case of the global wcid entry, it could even lead to corruption in the wcid array due to pointer being casted to struct mt7996_sta_link using container_of.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/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: Aug 5, 2026
First seen by InfoSec Signals: Oct 19, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	7464b12b7d92b9641d4664735b9f3c3f0b6173d9 builds before 69dcc19048fcdc3fb166fd25b805470ee8fc0eb1; 7464b12b7d92b9641d4664735b9f3c3f0b6173d9 builds before 4a522b01e368eec58d182ecc47d24f49a39e440d	CNA record
linux linux_kernel linux:linux_kernel	from 6.15 before 6.16.6; 6.17; 6.17; 6.17; 6.17	NVD

References

References

https://git.kernel.org/stable/c/69dcc19048fcdc3fb166fd25b805470ee8fc0eb1	patch
https://git.kernel.org/stable/c/4a522b01e368eec58d182ecc47d24f49a39e440d	patch

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.