GHSA-4PXX-93W9-MJ25
Vulnerability from github – Published: 2026-10-06 09:31 – Updated: 2026-10-06 09:31In the Linux kernel, the following vulnerability has been resolved:
wifi: p54: validate curve data length in the calibration curve converters
p54_convert_rev0() and p54_convert_rev1() read calibration curve data from the device-supplied EEPROM entry using channel and points-per-channel counts taken verbatim from that same entry, so an entry that declares more data than it carries drives an out-of-bounds read past the EEPROM buffer (verified with a KASAN reproducer of the conversion loop). The sibling converters p54_convert_output_limits() and p54_convert_db() already validate their counts against the entry length; this path was missed.
Reject the entry when the counts do not fit in the entry data.
{
"affected": [],
"aliases": [
"CVE-2026-98188"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-10-06T09:18:03Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: p54: validate curve data length in the calibration curve converters\n\np54_convert_rev0() and p54_convert_rev1() read calibration curve\ndata from the device-supplied EEPROM entry using channel and\npoints-per-channel counts taken verbatim from that same entry, so\nan entry that declares more data than it carries drives an\nout-of-bounds read past the EEPROM buffer (verified with a KASAN\nreproducer of the conversion loop). The sibling converters\np54_convert_output_limits() and p54_convert_db() already validate\ntheir counts against the entry length; this path was missed.\n\nReject the entry when the counts do not fit in the entry data.",
"id": "GHSA-4pxx-93w9-mj25",
"modified": "2026-10-06T09:31:29Z",
"published": "2026-10-06T09:31:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98188"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/03d313e3dfb49a44c10a5c423452967694fb85e2"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3bdcc4d61212b001b8752d80036509b4974ce16c"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/41cdf14bf4b52fbe4673a172c2a6ad756cb08111"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/42f4b03971f9d6329c4cbd1ea5155210d16ab65b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/4d767d6f8753db22bfc14c2724bd9cee677ffb03"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/81084c967c18233b19799a0c3352ebac043f31e2"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b0c906107150b16925ee66da09127259864c7f36"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ce858fa6b8a214dee5adb82358885fa024cdd887"
}
],
"schema_version": "1.4.0",
"severity": []
}
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