CVE-2025-39943

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.1 /10

CVSS v3 : HIGH

V3 Legend

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

27 Jan 2026, 19:53

Type Values Removed Values Added
CWE CWE-125
CPE cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
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:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.1
References () https://git.kernel.org/stable/c/5282491fc49d5614ac6ddcd012e5743eecb6a67c - () https://git.kernel.org/stable/c/5282491fc49d5614ac6ddcd012e5743eecb6a67c - Patch
References () https://git.kernel.org/stable/c/529b121b00a6ee3c88fb3c01b443b2b81f686d48 - () https://git.kernel.org/stable/c/529b121b00a6ee3c88fb3c01b443b2b81f686d48 - Patch
References () https://git.kernel.org/stable/c/773fddf976d282ef059c36c575ddb81567acd6bc - () https://git.kernel.org/stable/c/773fddf976d282ef059c36c575ddb81567acd6bc - Patch
References () https://git.kernel.org/stable/c/8be498fcbd5b07272f560b45981d4b9e5a2ad885 - () https://git.kernel.org/stable/c/8be498fcbd5b07272f560b45981d4b9e5a2ad885 - Patch
References () https://git.kernel.org/stable/c/bdaab5c6538e250a9654127e688ecbbeb6f771d5 - () https://git.kernel.org/stable/c/bdaab5c6538e250a9654127e688ecbbeb6f771d5 - Patch
References () https://git.kernel.org/stable/c/eb0378dde086363046ed3d7db7f126fc3f76fd70 - () https://git.kernel.org/stable/c/eb0378dde086363046ed3d7db7f126fc3f76fd70 - Patch

04 Oct 2025, 08:15

Type Values Removed Values Added
New CVE
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