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Back to active CVEs
Medium · CVSS 5.5CVE-2026-64144

Bluetooth: btmtk: fix urb->setup_packet leak in error pathsCVE-2026-64144

Answer in brief

CVE-2026-64144 records a Medium severity (CVSS 5.5) vulnerability in Bluetooth: btmtk: fix urb->setup_packet leak in error paths. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 19, 2026Updated Oct 30, 2026Source checked Oct 30, 2026First seen by HOL Aug 18, 2026Material review Oct 30, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-401
Source
CVE List V5
Source checked
Oct 30, 2026
References
6 linked sources
Open source record

Key facts

Risk
Medium · CVSS 5.5
Exploitation
Not marked as known exploited
Affected software
7 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=a1c49c434e15050b5dafe3b6f5cc732d4f02d657 <ecd8d2531766641958a667829907204066cfb51a || >=a1c49c434e15050b5dafe3b6f5cc732d4f02d657 <2a1905730e0c771b999906a7b509722f795563c6 || >=a1c49c434e15050b5dafe3b6f5cc732d4f02d657 <68c027c2003b0a8a1439d0301c59c6fd1eb3b844 || >=a1c49c434e15050b5dafe3b6f5cc732d4f02d657 <a0f5268c77eb73f84ba7c210ddfc54b1c73ff80c || >=a1c49c434e15050b5dafe3b6f5cc732d4f02d657 <0d2572bafea33c7cd1d77c6a25f25ff31a432482 || >=a1c49c434e15050b5dafe3b6f5cc732d4f02d657 <dd1dda6b8d6e1f4376a5b3055a04f0ecbdb4d6bdecd8d2531766641958a667829907204066cfb51a, 2a1905730e0c771b999906a7b509722f795563c6, 68c027c2003b0a8a1439d0301c59c6fd1eb3b844, a0f5268c77eb73f84ba7c210ddfc54b1c73ff80c, 0d2572bafea33c7cd1d77c6a25f25ff31a432482, dd1dda6b8d6e1f4376a5b3055a04f0ecbdb4d6bd
Linux/Linuxgeneric5.3Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to ecd8d2531766641958a667829907204066cfb51a if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jul 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 30, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 18, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: fix urb->setup_packet leak in error paths The setup_packet of control urb is not freed if usb_submit_urb fails or the submitted urb is killed. Add free in these two paths.

Quoted source text, attributed separately from HOL analysis.