CVE-2026-64471
Bluetooth: btusb: fix use-after-free on registration failure
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: fix use-after-free on registration failure Make sure to release the sibling interfaces in case controller registration fails to avoid use-after-free and double-free when they are eventually disconnected. This issue was reported by Sashiko while reviewing a fix for a wakeup source leak in the btusb probe errors paths.
INFO
Published Date :
July 25, 2026, 10:17 a.m.
Last Modified :
July 25, 2026, 10:17 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-64471
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Linux kernel to the latest version.
- Ensure proper resource management in driver code.
- Apply the provided patch for btusb module.
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-2026-64471.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-64471 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-2026-64471
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-2026-64471 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-64471 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.
-
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 25, 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': '9bfa35fe422c74882e27cc54450a5f76c96aad68', 'lessThan': 'e09ac7d0c6859a360bf36e7104aef03f88184e0b', 'versionType': 'git'}, {'status': 'affected', 'version': '9bfa35fe422c74882e27cc54450a5f76c96aad68', 'lessThan': '468fcdfaeb937163dd250773a9fed17ab1fa203c', 'versionType': 'git'}, {'status': 'affected', 'version': '9bfa35fe422c74882e27cc54450a5f76c96aad68', 'lessThan': '1ce5012944afaddbda939ec6bae9800fce84abbc', 'versionType': 'git'}, {'status': 'affected', 'version': '9bfa35fe422c74882e27cc54450a5f76c96aad68', 'lessThan': 'e6313b800da61a26c2fdd5eba0105e197c0ab3bc', 'versionType': 'git'}, {'status': 'affected', 'version': '9bfa35fe422c74882e27cc54450a5f76c96aad68', 'lessThan': '14e02f1449ba425a44dedbec9a21efafb056e09f', 'versionType': 'git'}, {'status': 'affected', 'version': '9bfa35fe422c74882e27cc54450a5f76c96aad68', 'lessThan': '8db0ce3de78367f61c2970c0f16d9adee8830a23', 'versionType': 'git'}, {'status': 'affected', 'version': '9bfa35fe422c74882e27cc54450a5f76c96aad68', 'lessThan': 'da7d7758fe884b256ddc9fef562e5ddef7952383', 'versionType': 'git'}, {'status': 'affected', 'version': '9bfa35fe422c74882e27cc54450a5f76c96aad68', 'lessThan': 'eedc6867ebad73edbfaf9a0a65fbef7115cc4753', 'versionType': 'git'}], 'programFiles': ['drivers/bluetooth/btusb.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '2.6.27'}, {'status': 'unaffected', 'version': '0', 'lessThan': '2.6.27', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.96', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.39', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.4', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/bluetooth/btusb.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: fix use-after-free on registration failure Make sure to release the sibling interfaces in case controller registration fails to avoid use-after-free and double-free when they are eventually disconnected. This issue was reported by Sashiko while reviewing a fix for a wakeup source leak in the btusb probe errors paths. Added Reference https://git.kernel.org/stable/c/14e02f1449ba425a44dedbec9a21efafb056e09f Added Reference https://git.kernel.org/stable/c/1ce5012944afaddbda939ec6bae9800fce84abbc Added Reference https://git.kernel.org/stable/c/468fcdfaeb937163dd250773a9fed17ab1fa203c Added Reference https://git.kernel.org/stable/c/8db0ce3de78367f61c2970c0f16d9adee8830a23 Added Reference https://git.kernel.org/stable/c/da7d7758fe884b256ddc9fef562e5ddef7952383 Added Reference https://git.kernel.org/stable/c/e09ac7d0c6859a360bf36e7104aef03f88184e0b Added Reference https://git.kernel.org/stable/c/e6313b800da61a26c2fdd5eba0105e197c0ab3bc Added Reference https://git.kernel.org/stable/c/eedc6867ebad73edbfaf9a0a65fbef7115cc4753