CVE-2026-64144
Bluetooth: btmtk: fix urb->setup_packet leak in error paths
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.
INFO
Published Date :
July 19, 2026, 4:17 p.m.
Last Modified :
Aug. 17, 2026, 7:39 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Apply the Linux kernel patch for Bluetooth driver.
- Ensure setup_packet is freed on urb submission failure.
- Verify urb is freed when submitted urb is killed.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-64144.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-64144 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-64144
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-64144 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-64144 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Aug. 17, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.92 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.34 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.11 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 6.6.142 Added Reference Type kernel.org: https://git.kernel.org/stable/c/0d2572bafea33c7cd1d77c6a25f25ff31a432482 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/2a1905730e0c771b999906a7b509722f795563c6 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/68c027c2003b0a8a1439d0301c59c6fd1eb3b844 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a0f5268c77eb73f84ba7c210ddfc54b1c73ff80c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/dd1dda6b8d6e1f4376a5b3055a04f0ecbdb4d6bd Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 19, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'a1c49c434e15050b5dafe3b6f5cc732d4f02d657', 'lessThan': '2a1905730e0c771b999906a7b509722f795563c6', 'versionType': 'git'}, {'status': 'affected', 'version': 'a1c49c434e15050b5dafe3b6f5cc732d4f02d657', 'lessThan': '68c027c2003b0a8a1439d0301c59c6fd1eb3b844', 'versionType': 'git'}, {'status': 'affected', 'version': 'a1c49c434e15050b5dafe3b6f5cc732d4f02d657', 'lessThan': 'a0f5268c77eb73f84ba7c210ddfc54b1c73ff80c', 'versionType': 'git'}, {'status': 'affected', 'version': 'a1c49c434e15050b5dafe3b6f5cc732d4f02d657', 'lessThan': '0d2572bafea33c7cd1d77c6a25f25ff31a432482', 'versionType': 'git'}, {'status': 'affected', 'version': 'a1c49c434e15050b5dafe3b6f5cc732d4f02d657', 'lessThan': 'dd1dda6b8d6e1f4376a5b3055a04f0ecbdb4d6bd', 'versionType': 'git'}], 'programFiles': ['drivers/bluetooth/btmtk.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.3'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.3', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.142', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.92', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.34', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.11', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/bluetooth/btmtk.c'], 'defaultStatus': 'affected'}] Added 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. Added Reference https://git.kernel.org/stable/c/0d2572bafea33c7cd1d77c6a25f25ff31a432482 Added Reference https://git.kernel.org/stable/c/2a1905730e0c771b999906a7b509722f795563c6 Added Reference https://git.kernel.org/stable/c/68c027c2003b0a8a1439d0301c59c6fd1eb3b844 Added Reference https://git.kernel.org/stable/c/a0f5268c77eb73f84ba7c210ddfc54b1c73ff80c Added Reference https://git.kernel.org/stable/c/dd1dda6b8d6e1f4376a5b3055a04f0ecbdb4d6bd