CVE-2023-53340
Linux Kernel vulnerability analysis and mitigation

Overview

A vulnerability in the Linux kernel's MLX5 driver (CVE-2023-53340) was discovered that involves an array-index-out-of-bounds error in the command failure data collection process. The issue occurs when DEVX issues a general command not used by the MLX5 driver, leading to an attempt to collect failure data without proper storage allocation (NVD).

Technical details

The vulnerability stems from the MLX5 driver's handling of command failures. When DEVX issues a general command that is not utilized by the MLX5 driver, and this command fails, the driver attempts to collect failure data. However, since the command is unknown to MLX5, no storage is allocated for it, resulting in an array-index-out-of-bounds error (NVD).

Impact

The vulnerability could potentially lead to array-index-out-of-bounds errors in the Linux kernel's MLX5 driver, which might affect system stability and security (NVD).

Mitigation and workarounds

The issue has been resolved by implementing a fix that checks whether the command is known before attempting to collect failure data. This ensures proper validation of commands before processing their failure data (NVD).

Additional resources


SourceThis report was generated using AI

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