What is CVE-2025-38634?

CVE-2025-38634 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-2025-38634 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-38634?

CVE-2025-38634 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-2025-38634?

No patch is currently available for CVE-2025-38634. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2025-38634 actively exploited?

CVE-2025-38634 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-2025-38634

Medium

In the Linux kernel, the following vulnerability has been resolved: power: supply: cpcap-charger: Fix null check for power_supply_get_by_name In the cpcap_usb_detect() function, the power_supply_get_by_name() function may return `NULL` instead of an error pointer. To prevent potential null pointer dereferences, Added a null check.

Package Linux Kernel

Published 2025-08-22

Last modified 2026-01-07

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-2025-38634 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-2025-38634 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/2025/10/msg00008.html

Third Party Advisory
Kernel patch commit
https://git.kernel.org/stable/c/27001e4f146624c4b3389b029bdc0f8049819560
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4ebbb9106aaa2fd58e0359bc3a2490953db2ef0c
Patch
Kernel patch commit
https://git.kernel.org/stable/c/8e9bdb563916287ba1b4258812434e0585ac6d00
Patch

7 patch commits total View all on NVD

Details

CVE ID CVE-2025-38634

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-08-22

Modified 2026-01-07

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2025-38634?

CVE-2025-38634 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-2025-38634 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-38634?

CVE-2025-38634 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-2025-38634?

No patch is currently available for CVE-2025-38634. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2025-38634 actively exploited?

No — CVE-2025-38634 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 →