CVE-2026-98392 (GCVE-0-2026-98392)
Vulnerability from cvelistv5
Published
2026-10-14 13:25
Modified
2026-10-19 09:18
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel_pcie: fix tx_handle bounds off-by-one Valid indices into txq->urbd0s/tfds/bufs are 0..txq->count-1, so tfd_index == txq->count is already out of range. Change the guard in btintel_pcie_msix_tx_handle() from '> txq->count' to '>= txq->count'. This issue was reported by Claude Mythos.
References
Impacted products
Vendor Product Version
Linux Linux Version: c2b636b3f788d10486a6691ad6dd3ec4c93bd78e
Version: c2b636b3f788d10486a6691ad6dd3ec4c93bd78e
Version: c2b636b3f788d10486a6691ad6dd3ec4c93bd78e
Version: c2b636b3f788d10486a6691ad6dd3ec4c93bd78e
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/bluetooth/btintel_pcie.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "72bbd7c815ef92399b7b109977ae4669ce22ee6e",
              "status": "affected",
              "version": "c2b636b3f788d10486a6691ad6dd3ec4c93bd78e",
              "versionType": "git"
            },
            {
              "lessThan": "932a87444107e6724d808082676bba5c915c98ad",
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              "versionType": "git"
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              "versionType": "git"
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              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/bluetooth/btintel_pcie.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.10"
            },
            {
              "lessThan": "6.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.111",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.53",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.7",
              "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": "6.12.111",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.53",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.7",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: fix tx_handle bounds off-by-one\n\nValid indices into txq-\u003eurbd0s/tfds/bufs are 0..txq-\u003ecount-1, so\ntfd_index == txq-\u003ecount is already out of range. Change the guard in\nbtintel_pcie_msix_tx_handle() from \u0027\u003e txq-\u003ecount\u0027 to \u0027\u003e= txq-\u003ecount\u0027.\n\nThis issue was reported by Claude Mythos."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:18:45.317Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/72bbd7c815ef92399b7b109977ae4669ce22ee6e"
        },
        {
          "url": "https://git.kernel.org/stable/c/932a87444107e6724d808082676bba5c915c98ad"
        },
        {
          "url": "https://git.kernel.org/stable/c/a641201a9b4d69ee8a7ef35f7aa597dddee6b9ee"
        },
        {
          "url": "https://git.kernel.org/stable/c/3dd1b41f96aad08444be1b7626c89de2b9f2abd4"
        }
      ],
      "title": "Bluetooth: btintel_pcie: fix tx_handle bounds off-by-one",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98392",
    "datePublished": "2026-10-14T13:25:56.096Z",
    "dateReserved": "2026-09-25T10:25:14.346Z",
    "dateUpdated": "2026-10-19T09:18:45.317Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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