CVE-2025-39943 - CVE House
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Status published Unknown CVE-2025-39943

ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer If data_offset and data_length of smb_direct_data_transfer struct are invalid, out of bounds issue could happen. This patch validate data_offset and data_length field in recv_done.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
2ea086e35c3d726a3bacd0a971c1f02a50e98206, 5.15, 0, 5.15.194, 6.1.154, 6.6.108, 6.12.49, 6.16.9, 6.17

Timeline

Official Publish: October 4th, 2025
Last Modified: May 11th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.