Memory Management Issue in Linux Kernel Affecting Networking Components
CVE-2026-22996

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 25 January 2026

What is CVE-2026-22996?

A vulnerability in the Linux kernel involves improper handling of the mlx5e_priv structure within the networking stack. When profile attachment fails, it can lead to unexpected kernel behavior, including NULL pointer dereferences which may cause system instability. This issue highlights a flaw in how network device links are managed, particularly in the context of mlx5 technology. When attempting to modify the behavior of a network device, if the profile change is unsuccessful, the system may end up in an unrecoverable state, resulting in severe operational disruptions. Fixes have been implemented to ensure that direct references to the network device are used, enhancing stability and performance.

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