CVE-2025-38641
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-08-22

Last updated on: 2025-11-26

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: Fix potential NULL dereference on kmalloc failure Avoid potential NULL pointer dereference by checking the return value of kmalloc and handling allocation failure properly.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-08-22
Last Modified
2025-11-26
Generated
2026-06-16
AI Q&A
2025-08-22
EPSS Evaluated
2026-06-14
NVD
CVE-2025-38641
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel 6.16
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a potential NULL pointer dereference in the Linux kernel's Bluetooth USB driver (btusb). It occurs when the kernel memory allocation function kmalloc fails and returns NULL, but the code does not properly check for this failure before using the pointer, which can lead to a crash or unexpected behavior. The fix involves adding checks for kmalloc's return value and handling allocation failures correctly.

Impact Analysis

If exploited, this vulnerability could cause the Linux kernel to dereference a NULL pointer, potentially leading to a system crash or denial of service. This could disrupt Bluetooth functionality or overall system stability on affected devices.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-38641. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart