Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 6.1.167 |
References
- https://git.kernel.org/stable/c/3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3fPatch
- https://git.kernel.org/stable/c/407cc37c21d51f9b9d4d20204b04890880cfa6aePatch
- https://git.kernel.org/stable/c/4084ed720d7d5f4e975c9e4a6267a552dad3b24aPatch
- https://git.kernel.org/stable/c/441336115df26b966575de56daf7107ed474faedPatch
- https://git.kernel.org/stable/c/c6b01b997a2094969e315f1ebfc1d64b8ae2163dPatch
- https://git.kernel.org/stable/c/fec5c70b82af3f59f15bb984df94e5ad1fccfb1ePatch
FAQ
What is CVE-2026-43377?
CVE-2026-43377 is a vulnerability with a CVSS score of 8.1 (HIGH). 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_smb3signing...
How severe is CVE-2026-43377?
CVE-2026-43377 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-43377?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.