net: sched: sch: Bounds check priority in Kernel
Summary
GSD-2023-1002320: net: sched: sch: Bounds check priority. Affects Kernel versions < f6415c9c9a0b3881543d38528a58b54af4351522. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system that manages system resources and facilitates communication between hardware and software. It provides essential functionalities such as process management, memory management, and device drivers. The vulnerability in question affects the scheduling subsystem (sched) within the Kernel. The scheduling subsystem is responsible for managing the execution of processes and allocating system resources to them. This vulnerability specifically pertains to a bounds check issue in the priority handling of the scheduling subsystem.
Vulnerability Detail
The vulnerability arises from a lack of proper bounds checking in the priority handling of the scheduling subsystem. An attacker may exploit this vulnerability to manipulate process priorities and potentially disrupt the normal operation of the system. The impact and attack plausibility of this vulnerability have not been proven yet, but it is essential to address it to ensure the stability and security of the system. The vulnerability has been fixed in Linux Kernel version v6.1.13 by commit f6415c9c9a0b3881543d38528a58b54af4351522.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The bounds check priority vulnerability in the Kernel's scheduling subsystem poses a potential risk to system stability and security. It is crucial to update the Linux Kernel to version v6.1.13 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven, but it has the potential to allow attackers to manipulate process priorities and disrupt system operation.
You can use Vulert Playground (https://vulert.com/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 and alert you in real-time if the vulnerability is present.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
More details about the fix can be found in the commit f6415c9c9a0b3881543d38528a58b54af4351522 in the Linux Kernel Git repository.
The discovery of this vulnerability was automated and reported by the Open Source Vulnerability Database.
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