GHSA-MFM7-HR4M-CF88
Vulnerability from github – Published: 2026-09-17 18:32 – Updated: 2026-09-17 18:32In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7996: bound TLV walk in mt7996_mcu_get_chip_config
The response TLV loop advanced by tlv->len without a minimum, so a theoretical firmware response containing a zero-length TLV could spin forever, hanging the CPU during device probe. The u32 payload was also read without bounds checking. Reject a short fixed field, stop on a TLV whose length underruns the header or overruns the skb.
{
"affected": [],
"aliases": [
"CVE-2026-90370"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-17T17:17:36Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: bound TLV walk in mt7996_mcu_get_chip_config\n\nThe response TLV loop advanced by tlv-\u003elen without a minimum, so a\ntheoretical firmware response containing a zero-length TLV could spin\nforever, hanging the CPU during device probe.\nThe u32 payload was also read without bounds checking.\nReject a short fixed field, stop on a TLV whose length underruns the\nheader or overruns the skb.",
"id": "GHSA-mfm7-hr4m-cf88",
"modified": "2026-09-17T18:32:03Z",
"published": "2026-09-17T18:32:02Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90370"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3106f62809d45c1e6aadfad1f4d7c3f74cd53a96"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/39aa6b853b6d69dd1fee3507efdb3c277b7c53e6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/44af52467e72094351a362bf69effd52f1d9c186"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/93eaddfdd35aa6bfe570c087db4e97fb9d8a791a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d0bb2189ade617e624f3c8f444ebb05f59bb2524"
}
],
"schema_version": "1.4.0",
"severity": []
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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