CVE-2026-74301 (GCVE-0-2026-74301)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:58 – Updated: 2026-08-17 05:16
VLAI
Title
Bluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: ceac1cb0259de682d78f5c784ef8e0b13022e9d9 , < 2643524743b9cc3c6f5f34cde2a8c627d793f21c (git)
Affected: ceac1cb0259de682d78f5c784ef8e0b13022e9d9 , < 7f206a8d8d82296aa2d30bf5f3e5bb73fc44591d (git)
Affected: ceac1cb0259de682d78f5c784ef8e0b13022e9d9 , < 4e354991da5890d5ce7bfea3f66fb897ae301756 (git)
Affected: ceac1cb0259de682d78f5c784ef8e0b13022e9d9 , < f396f4005180928cd9e15e352a6512865d3bc908 (git)
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Linux Linux Affected: 6.11
Unaffected: 0 , < 6.11 (semver)
Unaffected: 6.12.97 , ≤ 6.12.* (semver)
Unaffected: 6.18.40 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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          "programFiles": [
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          "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."
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      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:16:48.515Z",
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      "references": [
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-74301",
    "datePublished": "2026-08-15T05:58:03.991Z",
    "dateReserved": "2026-08-15T05:44:03.882Z",
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          }
        ],
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        "metrics": {},
        "published": "2026-08-15T06:22:29.720",
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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: Bluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74301.json",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.