arm64: Prevent Instrumentation of BP Hardening Callbacks in Linux Kernel
Summary
GSD-2022-1001274: arm64: prevent instrumentation of bp hardening callbacks. Affects Kernel versions >= ec82b567a74fbdffdf418d4bb381d55f6a9096af, < 9778d9f04f3db8900cf87ea41d36130722a65206. 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 Linux Kernel is a widely used open-source operating system kernel that serves as the foundation for numerous Linux distributions. It provides essential functionality for hardware abstraction, process management, memory management, and device drivers. The arm64 architecture is specifically designed for 64-bit ARM processors, commonly used in mobile devices, embedded systems, and server environments. This vulnerability affects the arm64 architecture in the Linux Kernel.
Vulnerability Detail
The vulnerability identified as GSD-2022-1001274 in the Linux Kernel's arm64 architecture allows for the potential instrumentation of BP (Branch Prediction) hardening callbacks. This vulnerability was introduced in version v4.16 of the Linux Kernel and fixed in version v5.17.2. The impact and attack plausibility of this vulnerability have not been proven yet. However, if exploited, it could potentially lead to security breaches and unauthorized access to sensitive information.
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
No specific workaround has been mentioned for this vulnerability.
Conclusion
The vulnerability in the arm64 architecture of the Linux Kernel, identified as GSD-2022-1001274, can potentially lead to security breaches and unauthorized access to sensitive information. It is crucial to update the Linux Kernel to version v5.17.2 or later to mitigate this vulnerability. Regularly updating the kernel is recommended to ensure the application of the latest security patches. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The impact of this vulnerability is currently unknown as it has not been proven yet. However, if exploited, it could potentially lead to security breaches and unauthorized access to sensitive information.
You can use tools like Vulert (https://vulert.com) to check if your system is affected by this vulnerability. Vulert uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities in the software.
No specific workaround has been mentioned for this vulnerability. It is recommended to update the Linux Kernel to the latest version to fix the vulnerability.
You can find more information about this vulnerability in the GSD-2022-1001274 entry of the GSD database maintained by the Cloud Security Alliance. The link to the specific entry is provided in the references section.
To update the Linux Kernel, you can obtain the latest version from the official Linux Kernel repository. Follow the installation instructions provided to install the updated kernel version.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
