Bluetooth btmtksdio Kernel Oops Vulnerability
Summary
GSD-2022-1001516: Bluetooth: btmtksdio: Fix kernel oops in btmtksdio_interrupt. Affects Kernel versions >= 9aebfd4a2200ab8075e44379c758bccefdc589bb, < 4d3d1f2c35a19988d3c5f0ee86038b525e830840. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Bluetooth btmtksdio vulnerability affects the Linux Kernel package. The Linux Kernel is the core component of the Linux operating system and provides essential functionality for the system. The btmtksdio driver is responsible for handling Bluetooth communication over the MediaTek SDIO interface. This vulnerability specifically impacts the btmtksdio_interrupt function in the driver.
Vulnerability Detail
The btmtksdio_interrupt function in the btmtksdio driver of the Linux Kernel is susceptible to a kernel oops. This vulnerability was introduced in version v5.2 of the Linux Kernel by commit 9aebfd4a2200ab8075e44379c758bccefdc589bb and was fixed in version v5.16.19 by commit 4d3d1f2c35a19988d3c5f0ee86038b525e830840. A kernel oops can lead to a system crash or instability, potentially allowing an attacker to disrupt the Bluetooth functionality or execute arbitrary code.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
There is no known workaround for this vulnerability. It is recommended to apply the fix by updating the Linux Kernel package.
Conclusion
The Bluetooth btmtksdio vulnerability in the Linux Kernel can lead to a kernel oops, potentially causing system crashes or instability. It is crucial to update the Linux Kernel package to version v5.16.19 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
This vulnerability can lead to a kernel oops, potentially causing a system crash or instability. It may also allow an attacker to disrupt Bluetooth functionality or execute arbitrary code.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will analyze the dependencies and alert you if any vulnerabilities are found.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to apply the fix as soon as possible to mitigate any potential risks.
While it is technically possible to manually patch the btmtksdio driver, it is recommended to update the entire Linux Kernel package to the fixed version. This ensures that all relevant fixes and improvements are applied.
You can find more information about this vulnerability in the official Linux Kernel repository. The commit 4d3d1f2c35a19988d3c5f0ee86038b525e830840 contains the fix for this vulnerability.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
