Improper resource shutdown or release in Linux kernel - CVE-2026-64144
Published: July 20, 2026
Vulnerability identifier: #VU138481
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-64144
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in the btmtk USB Bluetooth driver when handling failed or killed control urbs. A local user can trigger error paths to cause a denial of service.
How to mitigate CVE-2026-64144
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0d2572bafea33c7cd1d77c6a25f25ff31a432482
- https://git.kernel.org/stable/c/2a1905730e0c771b999906a7b509722f795563c6
- https://git.kernel.org/stable/c/68c027c2003b0a8a1439d0301c59c6fd1eb3b844
- https://git.kernel.org/stable/c/a0f5268c77eb73f84ba7c210ddfc54b1c73ff80c
- https://git.kernel.org/stable/c/dd1dda6b8d6e1f4376a5b3055a04f0ecbdb4d6bd