CVE-2026-93281 (GCVE-0-2026-93281)
Vulnerability from cvelistv5
Published
2026-09-24 15:52
Modified
2026-10-19 09:08
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix HE extended capability length check rtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability byte 10, but rejects only datalen values below 10. Byte 10 requires at least 11 bytes. Require datalen >= 11 before reading data[10].
References
Impacted products
Vendor Product Version
Linux Linux Version: 8d540f9d29162e273797bef36686a010724f0f8a
Version: 8d540f9d29162e273797bef36686a010724f0f8a
Version: 8d540f9d29162e273797bef36686a010724f0f8a
Version: 8d540f9d29162e273797bef36686a010724f0f8a
Version: 8d540f9d29162e273797bef36686a010724f0f8a
Version: 8d540f9d29162e273797bef36686a010724f0f8a
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{
  "containers": {
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          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/realtek/rtw89/mac.c"
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          "versions": [
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              "version": "0",
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              "version": "6.1.188",
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              "status": "unaffected",
              "version": "6.6.157",
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              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.110",
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            },
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              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.52",
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              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.188",
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                  "vulnerable": true
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: fix HE extended capability length check\n\nrtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability\nbyte 10, but rejects only datalen values below 10.  Byte 10 requires at\nleast 11 bytes.\n\nRequire datalen \u003e= 11 before reading data[10]."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:08:35.587Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/eddf53f1edb0cf7f302bd15cdb47cca90948c205"
        },
        {
          "url": "https://git.kernel.org/stable/c/655c4401c18d735dbaf2cc172ff4f626b3a896a0"
        },
        {
          "url": "https://git.kernel.org/stable/c/bddbd1de765bf6ddc0473ad683910eb3a2a92a43"
        },
        {
          "url": "https://git.kernel.org/stable/c/f2a01deff7d0d5cc3dcbf2358dac113979303c8e"
        },
        {
          "url": "https://git.kernel.org/stable/c/f132fc01b359a0f7d81fe13d769ea4e7c4baa66e"
        },
        {
          "url": "https://git.kernel.org/stable/c/2aba608a86e9b099c9af2ea70b620552dee2b628"
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      ],
      "title": "wifi: rtw89: fix HE extended capability length check",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-93281",
    "datePublished": "2026-09-24T15:52:23.240Z",
    "dateReserved": "2026-09-17T16:02:15.098Z",
    "dateUpdated": "2026-10-19T09:08:35.587Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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