net/mlx5e: Avoid implicit modify hdr for decap drop rule
Summary
GSD-2022-1000642: net/mlx5e: Avoid implicit modify hdr for decap drop rule. Affects Kernel versions >= b16eb3c81fe27978afdb2c111908d4d627a88d99, < e23a2f4e43a4a18de4137a446705281a8969b375. No fix is published. How to fix ↓
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Background
The net/mlx5e package is a network driver for Mellanox ConnectX-4 and ConnectX-5 Ethernet adapters. It is part of the Linux Kernel ecosystem and is responsible for handling network traffic on these specific hardware devices. The package provides functionality for packet processing, including encapsulation and decapsulation of network packets.
Vulnerability Detail
The vulnerability in net/mlx5e involves an implicit modify header operation for a decapsulation drop rule. This operation can lead to unexpected behavior and potential security vulnerabilities. The issue was introduced in version v5.16 of the Linux Kernel by commit b16eb3c81fe27978afdb2c111908d4d627a88d99 and is fixed in version v5.16.6 by commit e23a2f4e43a4a18de4137a446705281a8969b375. The impact and attack plausibility of this vulnerability have not yet been proven.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The net/mlx5e package in the Linux Kernel is vulnerable to an implicit modify header operation for a decapsulation drop rule. To mitigate this vulnerability, it is recommended to update the Linux Kernel to version v5.16.6 or later. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
net/mlx5e is a network driver for Mellanox ConnectX-4 and ConnectX-5 Ethernet adapters in the Linux Kernel.
The impact of this vulnerability is currently unknown, as the attack plausibility has not been proven.
To fix this vulnerability, update the Linux Kernel to version v5.16.6 or later.
No specific workaround has been mentioned for this vulnerability.
For more details about this vulnerability, refer to the source link provided in the database_specific section of the vulnerability details.
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