CVE-2026-43377

HIGH

ksmbd: Don't log keys in SMB3 signing and encryption key generation

Title source: cna
STIX 2.1

Description

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.

References (6)

Core 6

Scores

CVSS v3 8.1
EPSS 0.0002
EPSS Percentile 6.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Details

Status published
Products (16)
Linux/Linux < 5.15
Linux/Linux 5.15
Linux/Linux 6.1.167 - 6.1.*
Linux/Linux 6.12.78 - 6.12.*
Linux/Linux 6.18.20 - 6.18.*
Linux/Linux 6.19.9 - 6.19.*
Linux/Linux 6.6.130 - 6.6.*
Linux/Linux 7.0
Linux/Linux e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 - 3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f
Linux/Linux e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 - 407cc37c21d51f9b9d4d20204b04890880cfa6ae
... and 6 more
Published May 08, 2026
Tracked Since May 08, 2026