CVE-2026-74301 (GCVE-0-2026-74301)
Vulnerability from cvelistv5
Published
2026-08-15 05:58
Modified
2026-08-17 05:16
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path When btmtk_isopkt_pad() fails, the previously allocated URB is not freed, leaking the urb structure. Add usb_free_urb() before returning the error.
References
Impacted products
Vendor Product Version
Linux Linux Version: ceac1cb0259de682d78f5c784ef8e0b13022e9d9
Version: ceac1cb0259de682d78f5c784ef8e0b13022e9d9
Version: ceac1cb0259de682d78f5c784ef8e0b13022e9d9
Version: ceac1cb0259de682d78f5c784ef8e0b13022e9d9
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/bluetooth/btmtk.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2643524743b9cc3c6f5f34cde2a8c627d793f21c",
              "status": "affected",
              "version": "ceac1cb0259de682d78f5c784ef8e0b13022e9d9",
              "versionType": "git"
            },
            {
              "lessThan": "7f206a8d8d82296aa2d30bf5f3e5bb73fc44591d",
              "status": "affected",
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              "versionType": "git"
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            {
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              "status": "affected",
              "version": "ceac1cb0259de682d78f5c784ef8e0b13022e9d9",
              "versionType": "git"
            },
            {
              "lessThan": "f396f4005180928cd9e15e352a6512865d3bc908",
              "status": "affected",
              "version": "ceac1cb0259de682d78f5c784ef8e0b13022e9d9",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/bluetooth/btmtk.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.11"
            },
            {
              "lessThan": "6.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path\n\nWhen btmtk_isopkt_pad() fails, the previously allocated URB is not freed,\nleaking the urb structure. Add usb_free_urb() before returning the error."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:16:48.515Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2643524743b9cc3c6f5f34cde2a8c627d793f21c"
        },
        {
          "url": "https://git.kernel.org/stable/c/7f206a8d8d82296aa2d30bf5f3e5bb73fc44591d"
        },
        {
          "url": "https://git.kernel.org/stable/c/4e354991da5890d5ce7bfea3f66fb897ae301756"
        },
        {
          "url": "https://git.kernel.org/stable/c/f396f4005180928cd9e15e352a6512865d3bc908"
        }
      ],
      "title": "Bluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-74301",
    "datePublished": "2026-08-15T05:58:03.991Z",
    "dateReserved": "2026-08-15T05:44:03.882Z",
    "dateUpdated": "2026-08-17T05:16:48.515Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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