CVE-2025-21675

Summary

[#1] CVE-2025-21675: A kernel vulnerability in the Linux mlx5 driver has been identified and addressed. The issue arises when attempting to destroy lag definers in the tt_map, resulting in definers being double-destroyed and causing a kernel crash. This leads to a NULL pointer dereference and system instability. The affected components include mlx5_core, mlx5_fwctl, and mlxdevm. Users are advised to update their Linux kernel to mitigate this issue.

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