GHSA-RH32-7CXX-QXQ4
Vulnerability from github – Published: 2026-09-24 18:31 – Updated: 2026-10-30 15:33In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif
mvmsta->tid_data was indexed by the TFD loop counter 'i' instead of the actual TID value 'tid'. This writes lq_color into a random tid_data slot unrelated to the BA entry. Since multi-TID blockack is not really in use, 'i' was always 0 and no harm was done. Add a out-of-bound check before accessing the array.
{
"affected": [],
"aliases": [
"CVE-2026-93790"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-24T17:17:11Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif\n\nmvmsta-\u003etid_data was indexed by the TFD loop counter \u0027i\u0027 instead of\nthe actual TID value \u0027tid\u0027. This writes lq_color into a random tid_data\nslot unrelated to the BA entry.\nSince multi-TID blockack is not really in use, \u0027i\u0027 was always 0 and no\nharm was done.\nAdd a out-of-bound check before accessing the array.",
"id": "GHSA-rh32-7cxx-qxq4",
"modified": "2026-10-30T15:33:43Z",
"published": "2026-09-24T18:31:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93790"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/35f991d685feafd27255bd33272512c434e52527"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/94d3982806c7f194b23484befde12934dda23064"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c48b741277b01b2c3b4ecccedc72fc575b71dc04"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/e8ac5e91b1296f65c3d119fac3fa917ff458f811"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ed9869e64dd7a397a320ae7a37f1e4a36f866f74"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
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Nomenclature
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Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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