BaseFortify

Publication date: 2025-12-16

Last updated on: 2026-06-01

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on f2fs_alloc_nid() to detect any potential corruption in free_nid_list.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-12-16

Last Modified

2026-06-01

Generated

2026-07-06

AI Q&A

2025-12-16

EPSS Evaluated

2026-07-05

NVD

CVE-2025-68315

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 in the Linux kernel's f2fs filesystem involves a potential corruption issue in the free_nid_list. Specifically, the on-disk footer.ino and footer.nid values are the same and out-of-range, which can lead to corrupted node IDs (nid). A fix was implemented by adding a sanity check in the f2fs_alloc_nid() function to detect such potential corruption.

Impact Analysis

The vulnerability could lead to filesystem corruption due to corrupted node IDs in the free_nid_list, which may affect data integrity and stability of the filesystem using f2fs on Linux. This could result in data loss or system crashes if exploited or triggered.

Hi! I’m here to help you understand CVE-2025-68315. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70