CVE-2024-38637: greybus: lights: check return of get_channel_from_mode

Published Jun 21, 2024
·
Updated

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

greybus: lights: check return of getchannelfrommode

If channel for the given node is not found we return null from getchannelfrommode. 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

Affected Software

8 affected componentsFixes available
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
Linux Linux kernel>=4.9<4.19.316
Linux Linux kernel>=4.20<5.4.278
Linux Linux kernel>=5.5<5.10.219
Linux Linux kernel>=5.11<5.15.161
Linux Linux kernel>=5.16<6.1.93
Linux Linux kernel>=6.2<6.6.33
Linux Linux kernel>=6.7<6.9.4

Event History

Jun 21, 2024
CVE Published
via MITRE·10:18 AM
Data Sourced
via MITRE·10:18 AM
Description
Data Sourced
via NVD·11:15 AM
Description
Data Sourced
via NVD·11:15 AM
RemedySeverityWeaknessAffected Software
Aug 8, 2024
Data Sourced
via Launchpad·11:30 PM
Description
May 1, 2025
Data Sourced
via Ubuntu·12:31 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-38637?

The severity of CVE-2024-38637 has not been explicitly rated, but it addresses a potential issue in the Linux kernel that could lead to unexpected behavior.

2

How do I fix CVE-2024-38637?

To fix CVE-2024-38637, ensure you are running the updated Linux kernel versions 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.128-1, or 6.12.12-1.

3

What software is affected by CVE-2024-38637?

CVE-2024-38637 affects specific versions of the Linux kernel as listed in the vulnerability details.

4

What components are involved in CVE-2024-38637?

CVE-2024-38637 involves the greybus component and the lights functionality within the Linux kernel.

5

What could happen if CVE-2024-38637 is exploited?

If exploited, CVE-2024-38637 could lead to null pointer dereferences that may impact system stability and functionality.

Contact

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