Network Kernel Vulnerability in Linux Affecting Mellanox Products
CVE-2026-23000

Currently unrated

Key Information:

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

What is CVE-2026-23000?

A vulnerability has been identified in the Linux kernel's mlx5e network device management. When an attempt to change the device profile fails, it may lead to an improper rollback, resulting in a dangling netdev. This can cause system crashes due to NULL pointer dereferences in subsequent attempts to change the profile. The fix implemented ensures that prior failure scenarios are properly handled, allowing the new profile to be attached without relying on a potentially invalid previous state. This ensures enhanced stability and security for network operations.

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