In the Linux kernel, the following vulnerability has been resolved:

serial: max3100: Lock port->lock when calling uart_handle_cts_change()

uart_handle_cts_change() has to be called with port lock taken,
Since we run it in a separate work, the lock may not be taken at
the time of running. Make sure that it's taken by explicitly doing
that. Without it we got a splat:

WARNING: CPU: 0 PID: 10 at drivers/tty/serial/serial_core.c:3491 uart_handle_cts_change+0xa6/0xb0
...
Workqueue: max3100-0 max3100_work [max3100]
RIP: 0010:uart_handle_cts_change+0xa6/0xb0
...
max3100_handlerx+0xc5/0x110 [max3100]
max3100_work+0x12a/0x340 [max3100]
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 03 Oct 2025 15:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-667
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.30:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.30:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.30:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.30:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.30:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.30:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.30:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.30:rc8:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-04T09:15:46.722Z

Reserved: 2024-06-18T19:36:34.947Z

Link: CVE-2024-38634

cve-icon Vulnrichment

Updated: 2024-08-02T04:12:26.070Z

cve-icon NVD

Status : Analyzed

Published: 2024-06-21T11:15:12.160

Modified: 2025-10-03T14:54:50.260

Link: CVE-2024-38634

cve-icon Redhat

Severity : Low

Publid Date: 2024-06-21T00:00:00Z

Links: CVE-2024-38634 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-07-13T11:14:21Z