CVE-2024-40967

MEDIUM

Linux Kernel - Denial of Service via Serial Transmitter Deadlock

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: serial: imx: Introduce timeout when waiting on transmitter empty By waiting at most 1 second for USR2_TXDC to be set, we avoid a potential deadlock. In case of the timeout, there is not much we can do, so we simply ignore the transmitter state and optimistically try to continue.

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 12.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-667
Status published
Products (23)
linux/Kernel 3.6.0 - 5.15.162linux
linux/Kernel 5.16.0 - 6.1.96linux
linux/Kernel 6.2.0 - 6.6.36linux
linux/Kernel 6.7.0 - 6.9.7linux
Linux/Linux < 3.6
Linux/Linux 3.2.30 - 3.3
Linux/Linux 3.4.12 - 3.5
Linux/Linux 3.5.5 - 3.6
Linux/Linux 3.6
Linux/Linux 34d4dda865d8174f4a437f313c457c42a8fa9535
... and 13 more
Published Jul 12, 2024
Tracked Since Feb 18, 2026