Vulnerability in Kernel package: IB/mlx5 - Fix initializing CQ fragments buffer
Summary
GSD-2021-1000964: IB/mlx5: Fix initializing CQ fragments buffer. Affects Kernel versions >= 388ca8be00370db132464e27f745b8a0add19fcb, < 91f7fdc4cc10542ca1045c06aad23365f0d067e0. 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 package is a fundamental component of the Linux operating system, responsible for managing system resources and providing an interface between hardware and software. It includes various subsystems, such as networking, file systems, and device drivers. The IB/mlx5 module within the Kernel package is specifically related to InfiniBand and Mellanox ConnectX-4/ConnectX-5 network adapters.
The vulnerability in IB/mlx5 involves the improper initialization of the Completion Queue (CQ) fragments buffer. This vulnerability was introduced in version v4.17 of the Linux Kernel and fixed in version v5.10.44. The impact and attack plausibility of this vulnerability have not been proven yet.
Vulnerability Detail
The vulnerability in IB/mlx5 arises from the incorrect initialization of the CQ fragments buffer. This could potentially lead to various security issues, although the specific ramifications are yet to be determined. The vulnerability was introduced in version v4.17 of the Linux Kernel and fixed in version v5.10.44. For more technical details, please refer to the provided references.
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 IB/mlx5 module of the Kernel package involves the improper initialization of the CQ fragments buffer. While the specific impact is yet to be determined, it is crucial to update the Linux Kernel package to version v5.10.44 or later to mitigate any potential security issues. For further support and assistance with vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The specific impact of this vulnerability is yet to be determined. However, it is important to apply the fix as soon as possible to prevent potential security issues.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and it will provide real-time alerts for open-source vulnerabilities.
The remote exploitability of this vulnerability has not been established yet. However, it is always recommended to apply security updates promptly to minimize the risk of any potential exploitation.
At the moment, there are no known workarounds for this vulnerability. It is advised to update the Linux Kernel package to the fixed version as soon as possible.
You can find more information about this vulnerability in the provided references, including the source code changes and the official Linux Kernel repository.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
