CVE-2026-43377ksmbd: Don't log keys in SMB3 signing and encryption key generation
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Analyzed
- Record last updated
- Aug 5, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 4084ed720d7d5f4e975c9e4a6267a552dad3b24a; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before fec5c70b82af3f59f15bb984df94e5ad1fccfb1e; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 407cc37c21d51f9b9d4d20204b04890880cfa6ae; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before c6b01b997a2094969e315f1ebfc1d64b8ae2163d; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 441336115df26b966575de56daf7107ed474faed | CNA record |
linux linux_kernel linux:linux_kernel | from 5.15 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.78; from 6.13 before 6.18.20; from 6.19 before 6.19.9; 7.0; 7.0; 7.0 | NVD |
References
- https://git.kernel.org/stable/c/4084ed720d7d5f4e975c9e4a6267a552dad3b24apatch
- https://git.kernel.org/stable/c/fec5c70b82af3f59f15bb984df94e5ad1fccfb1epatch
- https://git.kernel.org/stable/c/3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3fpatch
- https://git.kernel.org/stable/c/407cc37c21d51f9b9d4d20204b04890880cfa6aepatch
- https://git.kernel.org/stable/c/c6b01b997a2094969e315f1ebfc1d64b8ae2163dpatch
- https://git.kernel.org/stable/c/441336115df26b966575de56daf7107ed474faedpatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.