CVE-2024-40967
kernel: serial: imx: Introduce timeout when waiting on transmitter empty
Severity
ModerateRed Hat Product Security
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 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-833 · Deadlock