Memory Leak in net/mlx5e Package
Summary
GSD-2021-1001858: net/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path. Affects Kernel versions >= e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c, < 4f7bddf8c5c01cac74373443b13a68e1c6723a94. No fix is published. How to fix ↓
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Background
The net/mlx5e package is a component of the Linux Kernel that provides support for Mellanox network adapters. It includes drivers and utilities for managing and configuring these adapters. The package is responsible for handling various network operations and ensuring efficient data transfer between the network interface and the rest of the system.
Vulnerability Detail
The vulnerability identified in the net/mlx5e package is related to a memory leak in the error path of the mlx5_core_destroy_cq() function. When certain error conditions occur during the destruction of a completion queue (CQ), memory allocated for the CQ is not properly released, leading to a memory leak. This vulnerability could potentially result in the exhaustion of system memory resources over time, impacting the stability and performance of the system.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround provided for this vulnerability. The recommended solution is to update the Linux Kernel to the fixed version.
Conclusion
The net/mlx5e package in the Linux Kernel is vulnerable to a memory leak in the mlx5_core_destroy_cq() function. This vulnerability can lead to the gradual consumption of system memory resources, affecting system stability and performance. It is recommended to update the Kernel to the fixed version to mitigate this issue. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The net/mlx5e package is a component of the Linux Kernel that provides support for Mellanox network adapters.
The mlx5_core_destroy_cq() function is responsible for destroying a completion queue (CQ) in the net/mlx5e package.
A memory leak is a situation where allocated memory is not properly released, leading to a gradual consumption of system memory resources.
The memory leak caused by this vulnerability can result in the exhaustion of system memory resources over time, impacting system stability and performance.
To fix this vulnerability, update the Linux Kernel to version v5.10.75 or later.
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