CVE-2025-39943

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.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/5282491fc49d5614ac6ddcd012e5743eecb6a67c	Patch
https://git.kernel.org/stable/c/529b121b00a6ee3c88fb3c01b443b2b81f686d48	Patch
https://git.kernel.org/stable/c/773fddf976d282ef059c36c575ddb81567acd6bc	Patch
https://git.kernel.org/stable/c/8be498fcbd5b07272f560b45981d4b9e5a2ad885	Patch
https://git.kernel.org/stable/c/bdaab5c6538e250a9654127e688ecbbeb6f771d5	Patch
https://git.kernel.org/stable/c/eb0378dde086363046ed3d7db7f126fc3f76fd70	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.15:-::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc7::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc4::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc5::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc6::::::

History

No history.

Information

Published : 2025-10-04 08:15

Updated : 2026-01-27 19:53

NVD link : CVE-2025-39943

Mitre link : CVE-2025-39943

CVE.ORG link : CVE-2025-39943

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-125

Out-of-bounds Read

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