Race Condition in Linux Kernel Bridge Component
CVE-2026-23393

Currently unrated

Key Information:

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

What is CVE-2026-23393?

A critical issue has been identified in the Linux kernel's bridge component, specifically during the deletion of a peer Maintenance Endpoint (MEP). A race condition can occur due to the improper handling of delayed work synchronization. When the deletion process is initiated, it attempts to cancel work that may still be active, leading to unpredictable behavior and memory access violations. The fix involves replacing the synchronization mechanism to prevent new work from being enqueued while ensuring the system's stability and security during MEP operations.

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