Vulnerability in Linux Kernel: ice: avoid bpf_prog refcount underflow
Summary
GSD-2021-1002474: ice: avoid bpf_prog refcount underflow. Affects Kernel versions >= efc2214b6047b6f5b4ca53151eba62521b9452d6, < e65a8707b4cd756d26d246bb2b9fab06eebafac1. 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 various Linux distributions. It provides essential functionality for hardware abstraction, process management, memory management, and device drivers. The 'ice' module within the Linux Kernel is responsible for managing Intel Ethernet Connection devices. This vulnerability affects the 'ice' module and can potentially lead to a refcount underflow in the bpf_prog, which may have security implications.
Vulnerability Detail
The vulnerability in the 'ice' module of the Linux Kernel involves a refcount underflow in the bpf_prog. This issue was introduced in version v5.5 of the Linux Kernel and was fixed in version v5.10.83. An attacker could potentially exploit this vulnerability to trigger a refcount underflow, leading to undefined behavior and potential security risks. The exact impact and attack vectors have not been proven yet, but it is crucial to address this vulnerability to ensure the security and stability of systems running the affected Linux Kernel versions.
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 →
Conclusion
The vulnerability in the 'ice' module of the Linux Kernel can potentially lead to a refcount underflow, posing security risks. It is crucial to update the Linux Kernel to version v5.10.83 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The Linux Kernel is an open-source operating system kernel that provides essential functionality for various Linux distributions.
The 'ice' module is responsible for managing Intel Ethernet Connection devices within the Linux Kernel.
A refcount underflow occurs when the reference count of an object or resource becomes negative, leading to undefined behavior and potential security risks.
The exact attack vectors and impact of this vulnerability have not been proven yet. However, an attacker could potentially exploit the refcount underflow to trigger undefined behavior and compromise the security of the system.
To update the Linux Kernel, you can obtain the latest version from the official Linux Kernel repository or your Linux distribution's package repositories. Follow the recommended update process for your specific Linux distribution.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
