CVE-2026-46272

kernel: coresight: tmc-etr: Fix race condition between sysfs and perf mode

Loading…

Severity

Unknown

Red Hat Product Security

—

CVSS

Review impact separately from score.

Published · June 3, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's Coresight Trace Memory Controller (TMC) Embedded Trace Router (ETR) driver. A race condition can occur when both the sysfs and perf modes are used simultaneously. This can lead to a kernel warning, potentially causing system instability or unexpected behavior.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition