CVE-2026-43377
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Record status
- Analyzed
Affected
- Linux Kernel < 6.1.167
- Linux Kernel < 6.6.130
- Linux Kernel < 6.12.78
- Linux Kernel < 6.18.20
- Linux Kernel < 6.19.9
- Linux Kernel 7.0
Attack profile CVSS 3.1 · 8.1
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Fix and advisories
- https://git.kernel.org/stable/c/3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f
- https://git.kernel.org/stable/c/407cc37c21d51f9b9d4d20204b04890880cfa6ae
- https://git.kernel.org/stable/c/4084ed720d7d5f4e975c9e4a6267a552dad3b24a
- https://git.kernel.org/stable/c/441336115df26b966575de56daf7107ed474faed
- https://git.kernel.org/stable/c/c6b01b997a2094969e315f1ebfc1d64b8ae2163d
- https://git.kernel.org/stable/c/fec5c70b82af3f59f15bb984df94e5ad1fccfb1e
References
- https://git.kernel.org/stable/c/3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f
- https://git.kernel.org/stable/c/407cc37c21d51f9b9d4d20204b04890880cfa6ae
- https://git.kernel.org/stable/c/4084ed720d7d5f4e975c9e4a6267a552dad3b24a
- https://git.kernel.org/stable/c/441336115df26b966575de56daf7107ed474faed
- https://git.kernel.org/stable/c/c6b01b997a2094969e315f1ebfc1d64b8ae2163d
- https://git.kernel.org/stable/c/fec5c70b82af3f59f15bb984df94e5ad1fccfb1e