Vulnerability in Kernel: binder: fix async_free_space accounting for empty parcels
Summary
GSD-2022-1000015: binder: fix async_free_space accounting for empty parcels. Affects Kernel versions >= 74310e06be4d74dcf67cd108366710dee5c576d5, < 2d2df539d05205fd83c404d5f2dff48d36f9b495. 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 Kernel is a critical component of the Linux operating system, responsible for managing system resources and facilitating communication between hardware and software. It provides essential functionality for the proper functioning of the system. One of its components, binder, is a mechanism used for inter-process communication (IPC) within the Kernel. It allows processes to exchange data and messages efficiently. However, a vulnerability has been discovered in the binder component that affects the accounting of free space for empty parcels.
Vulnerability Detail
The vulnerability in binder affects the accounting of free space for empty parcels. When a parcel is empty, the binder component should correctly account for the freed space. However, due to a coding error, the accounting is not performed accurately, leading to potential memory management issues. An attacker could potentially exploit this vulnerability to cause memory corruption or denial-of-service attacks. The impact and attack plausibility of this vulnerability have not yet been proven.
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 specific workaround mentioned for this vulnerability. It is recommended to apply the fix by updating the Kernel to the latest version.
Conclusion
In conclusion, a vulnerability has been discovered in the binder component of the Kernel, affecting the accounting of free space for empty parcels. Updating the Linux Kernel to version v4.14.261 or later is recommended to fix this vulnerability. It is important to stay vigilant and apply security patches to ensure the system's integrity and protect against potential attacks. For further support on vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The impact of this vulnerability is not yet proven. However, it could potentially lead to memory corruption or denial-of-service attacks.
You can use Vulert's playground (https://vulert.com/scanner) 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.
Binder is a mechanism used for inter-process communication (IPC) within the Kernel. It allows processes to exchange data and messages efficiently.
To update the Linux Kernel, you can follow the official documentation provided by your Linux distribution. It usually involves using package managers or manually compiling and installing the latest Kernel version.
There is no known exploit for this vulnerability at the moment. However, it is always recommended to apply security patches and updates to mitigate potential risks.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
