5.5
MEDIUM CVSS 3.1
CVE-2025-38634
power: supply: cpcap-charger: Fix null check for power_supply_get_by_name
Description

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.

INFO

Published Date :

Aug. 22, 2025, 4:15 p.m.

Last Modified :

Jan. 7, 2026, 4:28 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-38634 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Debian debian_linux
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Fix null pointer dereferences in the Linux kernel's cpcap-charger driver.
  • Update the Linux kernel to a version with the fix.
  • Ensure the cpcap_usb_detect function performs null checks.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-38634 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-38634 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-38634 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-38634 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jan. 07, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.148 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.16 up to (excluding) 6.16.1 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.15.10 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.42 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.102 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.14 up to (excluding) 5.15.190
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/27001e4f146624c4b3389b029bdc0f8049819560 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/4ebbb9106aaa2fd58e0359bc3a2490953db2ef0c Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/8e9bdb563916287ba1b4258812434e0585ac6d00 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/9784d832d7c103539cd9afb376534eaa35815d3d Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/a2436263144980cc99a9860c7b43335847afbe53 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d9fa3aae08f99493e67fb79413c0e95d30fca5e9 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/f642500aa7ed93d2606e4f929244cce9c7467b3a Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Types: Third Party Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 03, 2025

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 28, 2025

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/4ebbb9106aaa2fd58e0359bc3a2490953db2ef0c
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 22, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added Reference https://git.kernel.org/stable/c/27001e4f146624c4b3389b029bdc0f8049819560
    Added Reference https://git.kernel.org/stable/c/8e9bdb563916287ba1b4258812434e0585ac6d00
    Added Reference https://git.kernel.org/stable/c/9784d832d7c103539cd9afb376534eaa35815d3d
    Added Reference https://git.kernel.org/stable/c/a2436263144980cc99a9860c7b43335847afbe53
    Added Reference https://git.kernel.org/stable/c/d9fa3aae08f99493e67fb79413c0e95d30fca5e9
    Added Reference https://git.kernel.org/stable/c/f642500aa7ed93d2606e4f929244cce9c7467b3a
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact