CVE-2026-64528
Description
A flaw was found in the Linux kernel's Samsung serial driver. When console flow control is enabled, a redundant attempt to acquire a port lock occurs within the receive helper functions. This can lead to a deadlock on the same CPU, causing the system to become unresponsive.
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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