What is CVE-2024-38637?

CVE-2024-38637 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2024-38637 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-38637?

CVE-2024-38637 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2024-38637?

No patch is currently available for CVE-2024-38637. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-38637 actively exploited?

CVE-2024-38637 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2024-38637

Medium

In the Linux kernel, the following vulnerability has been resolved: 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/[email protected]

Package Linux Kernel

Published 2024-06-21

Last modified 2025-11-04

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-476

CVE-2024-38637 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2024-38637 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
Kernel patch commit
https://git.kernel.org/stable/c/330f6bcdcef03f70f81db5f2ed6747af656a09f2
Patch
Kernel patch commit
https://git.kernel.org/stable/c/518e2c46b5dbce40b1aa0100001d03c3ceaa7d38
Patch
Kernel patch commit
https://git.kernel.org/stable/c/895cdd9aa9546523df839f9cc1488a0ecc1e0731
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2024-38637

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-06-21

Modified 2025-11-04

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2024-38637?

CVE-2024-38637 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2024-38637 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-38637?

CVE-2024-38637 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2024-38637?

No patch is currently available for CVE-2024-38637. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-38637 actively exploited?

No — CVE-2024-38637 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →