CVE-2026-64528

kernel: tty: serial: samsung: Remove redundant port lock acquisition in rx helpers

Loading…

Severity

Unknown

Red Hat Product Security

—

CVSS

Review impact separately from score.

Published · July 25, 2026

Updated · July 30, 2026

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.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-833 · Deadlock