greybus: lights: check return of get_channel_from_mode
If channel for the given node is not found we return null from
get_channel_from_mode. Make sure we validate the return pointer
before using it in two of the missing places.
This was originally reported in [0]:
Found by Linux Verification Center (linuxtesting.org) with SVACE.
[0] https://lore.kernel.org/all/20240301190425.120605-1-m.lobanov@rosalinux.ru
Metrics
Affected Vendors & Products
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-3840-1 | linux security update |
Debian DSA |
DSA-5730-1 | linux security update |
Ubuntu USN |
USN-6951-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-6951-2 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-6951-3 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-6951-4 | Linux kernel (BlueField) vulnerabilities |
Ubuntu USN |
USN-6953-1 | Linux kernel (Oracle) vulnerabilities |
Ubuntu USN |
USN-6979-1 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-6999-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-6999-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7004-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7005-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7005-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7007-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7007-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7007-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7008-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7009-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7009-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7019-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7029-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7121-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7121-2 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-7121-3 | Linux kernel (Oracle) vulnerabilities |
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Tue, 04 Nov 2025 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Wed, 17 Sep 2025 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-476 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Metrics |
cvssV3_1
|
cvssV3_1
|
Wed, 11 Sep 2024 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-11-04T17:21:54.586Z
Reserved: 2024-06-18T19:36:34.948Z
Link: CVE-2024-38637
Updated: 2025-11-04T17:21:54.586Z
Status : Modified
Published: 2024-06-21T11:15:12.400
Modified: 2025-11-04T18:16:29.810
Link: CVE-2024-38637
OpenCVE Enrichment
Updated: 2025-07-13T11:14:14Z
Debian DLA
Debian DSA
Ubuntu USN