CVE-2026-43377 (GCVE-0-2026-43377)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:21 – Updated: 2026-05-08 14:21
VLAI?
Title
ksmbd: Don't log keys in SMB3 signing and encryption key generation
Summary
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 , < 4084ed720d7d5f4e975c9e4a6267a552dad3b24a (git)
Affected: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 , < fec5c70b82af3f59f15bb984df94e5ad1fccfb1e (git)
Affected: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 , < 3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f (git)
Affected: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 , < 407cc37c21d51f9b9d4d20204b04890880cfa6ae (git)
Affected: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 , < c6b01b997a2094969e315f1ebfc1d64b8ae2163d (git)
Affected: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 , < 441336115df26b966575de56daf7107ed474faed (git)
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    Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 6.1.167 , ≤ 6.1.* (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.78 , ≤ 6.12.* (semver)
Unaffected: 6.18.20 , ≤ 6.18.* (semver)
Unaffected: 6.19.9 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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