CVE-2026-43127

Description

A flaw was found in the Linux kernel's ntfs3 component. This vulnerability involves a circular locking dependency, also known as an AB-BA deadlock, which can occur when the system attempts to acquire two specific locks in a conflicting order. This issue can cause the system to become unresponsive, leading to a Denial of Service (DoS).

Understanding the Weakness (CWE)

Availability

Technical Impact: DoS: Resource Consumption (CPU); DoS: Resource Consumption (Other); DoS: Crash, Exit, or Restart

Each thread of execution will "hang" and prevent tasks from completing. In some cases, CPU consumption may occur if a lock check occurs in a tight loop.

Frequently Asked Questions

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