CVE-2026-43377

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Don't log keys in SMB3 signing and encryption key generation When KSMBD_DEBUG_AUTH logging is enabled, generate_smb3signingkey() and generate_smb3encryptionkey() log the session, signing, encryption, and decryption key bytes. Remove the logs to avoid exposing credentials.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f	Patch
https://git.kernel.org/stable/c/407cc37c21d51f9b9d4d20204b04890880cfa6ae	Patch
https://git.kernel.org/stable/c/4084ed720d7d5f4e975c9e4a6267a552dad3b24a	Patch
https://git.kernel.org/stable/c/441336115df26b966575de56daf7107ed474faed	Patch
https://git.kernel.org/stable/c/c6b01b997a2094969e315f1ebfc1d64b8ae2163d	Patch
https://git.kernel.org/stable/c/fec5c70b82af3f59f15bb984df94e5ad1fccfb1e	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:7.0:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc3::::::

History

11 Nov 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: ksmbd: No registrar las claves en la generación de claves de firma y cifrado SMB3 Cuando el registro KSMBD_DEBUG_AUTH está habilitado, generate_smb3signingkey() y generate_smb3encryptionkey() registran los bytes de las claves de sesión, firma, cifrado y descifrado. Eliminar los registros para evitar la exposición de credenciales.

Information

Published : 2026-05-08 15:16

Updated : 2026-11-11 20:10

NVD link : CVE-2026-43377

Mitre link : CVE-2026-43377

CVE.ORG link : CVE-2026-43377

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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