CVE-2025-68235

Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-12-16

Last updated on: 2025-12-18

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: nouveau/firmware: Add missing kfree() of nvkm_falcon_fw::boot nvkm_falcon_fw::boot is allocated, but no one frees it. This causes a kmemleak warning. Make sure this data is deallocated.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-12-16

Last Modified

2025-12-18

Generated

2026-07-06

AI Q&A

2025-12-16

EPSS Evaluated

2026-07-05

NVD

CVE-2025-68235

EUVD

EUVD-2025-203661

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is a memory leak in the Linux kernel's nouveau driver firmware. Specifically, the nvkm_falcon_fw::boot data is allocated but never freed, causing a kmemleak warning. The issue is that the allocated memory is not properly deallocated, which can lead to inefficient memory usage.

Impact Analysis

The impact of this vulnerability is primarily related to memory management. Since the allocated memory is not freed, it can cause a memory leak, potentially leading to increased memory usage over time. This may degrade system performance or stability if the leak accumulates significantly.

Detection Guidance

This vulnerability causes a kmemleak warning due to a missing kfree() call for nvkm_falcon_fw::boot. You can detect it by checking for kmemleak warnings in the kernel logs. For example, use the command 'dmesg | grep kmemleak' to look for related warnings.

Mitigation Strategies

The vulnerability has been resolved by adding the missing kfree() call to properly deallocate nvkm_falcon_fw::boot. To mitigate this vulnerability, update your Linux kernel to the version that includes this fix.

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