Bluetooth: btintel_pcie: fix TX descriptor bounds check

{
  "id": "0f5b80b9f5aff9d7473410262b00ef473807613af3756a7074175ab46645adc2",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-99094",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Bluetooth: btintel_pcie: fix TX descriptor bounds check",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel_pcie: fix TX descriptor bounds check btintel_pcie_prepare_tx() uses tfd_index to access the TFD and data buffer arrays before the index is advanced modulo txq->count. An index equal to txq->count is one past the end of both arrays, so reject it in the bounds check.",
    "evidence": "cve:CVE-2026-99094",
    "products": [
      {
        "name": {
          "value": "Linux",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "Linux",
          "evidence": "/containers/cna/affected/1/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-99094",
      "aliases": [
        "CVE-2026-99094"
      ],
      "metrics": [],
      "affected": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6e65a09f927566f257322358d429b267548473eb",
              "lessThan": "08704ec6d4bf69725e7815b09a9b5c7af83e255b",
              "versionType": "git"
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            {
              "status": "affected",
              "version": "6e65a09f927566f257322358d429b267548473eb",
              "lessThan": "39ab048cce70d50af48015f5f294c4cf80d6ba89",
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              "lessThan": "baa53af641c9e3644e717b8dfd1b95a55a0c111b",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/bluetooth/btintel_pcie.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.10"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.10",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.12.113",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.57",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.2.11",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/bluetooth/btintel_pcie.c"
          ],
          "defaultStatus": "affected"
        }
      ],
      "modified": "2026-10-26T14:52:02.053Z",
      "provider": "cve",
      "references": [
        "https://git.kernel.org/stable/c/08704ec6d4bf69725e7815b09a9b5c7af83e255b",
        "https://git.kernel.org/stable/c/39ab048cce70d50af48015f5f294c4cf80d6ba89",
        "https://git.kernel.org/stable/c/2669567615215d52fb306053cbcc1f53dc386158",
        "https://git.kernel.org/stable/c/baa53af641c9e3644e717b8dfd1b95a55a0c111b"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "shortName": "Linux",
          "dateUpdated": "2026-10-26T14:52:02.053Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-99094",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-cve",
  "document_id": 311611,
  "published_at": "2026-10-26T14:52:02.053+00:00"
}