BaseFortify

Publication date: 2025-10-04

Last updated on: 2026-03-25

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2025-10-04

Last Modified

2026-03-25

Generated

2026-07-06

AI Q&A

2025-10-04

EPSS Evaluated

2026-07-05

NVD

CVE-2025-39933

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 4.16 (inc) to 6.16.9 (exc)
linux	linux_kernel	6.17
linux	linux_kernel	6.17
linux	linux_kernel	6.17
linux	linux_kernel	6.17
linux	linux_kernel	6.17
linux	linux_kernel	6.17

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-NVD-CWE-noinfo

Attack-Flow Graph

Executive Summary

This vulnerability in the Linux kernel's SMB client involves improper verification of data_offset, data_length, and remaining_data_length in the recv_done function. The fix ensures these values are properly checked to prevent potential issues.

Impact Analysis

If exploited, this vulnerability could lead to incorrect handling of SMB client data, potentially causing data corruption, crashes, or security issues related to improper data processing.

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