CVE-2025-38634
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-08-22

Last updated on: 2025-11-03

Assigner: kernel.org

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.
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Meta Information
Published
2025-08-22
Last Modified
2025-11-03
Generated
2026-06-16
AI Q&A
2025-08-22
EPSS Evaluated
2026-06-14
NVD
CVE-2025-38634
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel 6.1.153-1
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability occurs in the Linux kernel's power supply subsystem, specifically in the cpcap-charger driver. The function power_supply_get_by_name() may return NULL instead of an error pointer, and the cpcap_usb_detect() function did not properly check for this NULL value. This could lead to a null pointer dereference, which is a type of programming error that can cause the system to crash or behave unpredictably. The vulnerability was fixed by adding a null check to prevent such dereferences.

Impact Analysis

If exploited, this vulnerability could cause the Linux kernel to dereference a null pointer, potentially leading to a system crash or instability. This could result in denial of service or unexpected behavior in systems using the affected driver.

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