Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-43377

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
08/05/2026
Last modified:
12/05/2026

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> ksmbd: Don&amp;#39;t log keys in SMB3 signing and encryption key generation<br /> <br /> When KSMBD_DEBUG_AUTH logging is enabled, generate_smb3signingkey() and<br /> generate_smb3encryptionkey() log the session, signing, encryption, and<br /> decryption key bytes. Remove the logs to avoid exposing credentials.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x
8.10
Severity 3.x
HIGH

References to Advisories, Solutions, and Tools