CVE Database›CVE-2024-40967

CVE-2024-40967

kernel: serial: imx: Introduce timeout when waiting on transmitter empty

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · July 12, 2024

Updated · June 28, 2026

Description

A vulnerability was found in the Linux kernel's imx serial driver, where the system could experience DoS while waiting for the transmitter to become empty, without a timeout mechanism, the code risks entering a deadlock situation if the USR2_TXDC signal is not set.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-833 · Deadlock