net/mlx5e: Fix handling of wrong devices during bond netevent
Summary
GSD-2022-1000638: net/mlx5e: Fix handling of wrong devices during bond netevent. Affects Kernel versions >= 7e51891a237f9ea319f53f9beb83afb0077d88e6, < 4fad499d7fece448e7230d5e5b92f6d8a073e0bb. No fix is published. How to fix ↓
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Background
The net/mlx5e package is a component of the Linux Kernel, which is responsible for handling network devices that use Mellanox ConnectX-5 or ConnectX-6 Ethernet adapters. These adapters are commonly used in high-performance computing and data center environments. The package provides the necessary drivers and functionality to enable network communication through these devices. However, a vulnerability has been discovered in the package that affects the handling of wrong devices during bond netevent.
Vulnerability Detail
The vulnerability in net/mlx5e arises from a flaw in the handling of wrong devices during bond netevent. When a bond netevent occurs, the package fails to properly handle situations where incorrect devices are involved. This can lead to various security issues, including potential unauthorized access, information disclosure, or denial of service. The vulnerability was introduced in version v5.8 of the Linux Kernel and has been fixed in version v5.16.6.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been provided for this vulnerability.
Conclusion
The net/mlx5e package in the Linux Kernel is vulnerable to a flaw in the handling of wrong devices during bond netevent. This vulnerability can have serious security implications, including unauthorized access, information disclosure, or denial of service. It is crucial to update the Linux Kernel to version v5.16.6 or later to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
net/mlx5e is a package in the Linux Kernel that handles network devices using Mellanox ConnectX-5 or ConnectX-6 Ethernet adapters.
A bond netevent refers to an event related to network bonding, which is the aggregation of multiple network interfaces into a single logical interface for increased bandwidth and redundancy.
The vulnerability could potentially result in unauthorized access to the system, information disclosure, or denial of service.
To fix the vulnerability, it is recommended to update the Linux Kernel to version v5.16.6 or later.
No workaround has been provided for this vulnerability.
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