CVE-2021-3746 is a security vulnerability that was discovered in August 2021. This flaw exists in the Linux kernel and specifically affects the implementation of the Bluetooth Low Energy (BLE) protocol. The vulnerability can allow attackers to execute arbitrary code with kernel-level privileges, potentially leading to a full compromise of the affected system.
The vulnerability was patched by the Linux kernel maintainers on August 16, 2021, with the release of several updates for different versions of the kernel. The patch for CVE-2021-3746 is included in these updates, which are available for download from the official Linux kernel website and other software repositories.
It is recommended that users and administrators of affected systems apply the patch as soon as possible to prevent potential attacks that exploit this vulnerability. Additionally, it is important for organizations to have robust security practices in place, such as network segmentation and access controls, to minimize the impact of any successful attacks.