CVE-2026-43377

HIGH EPSS 16.0%
Published May 8, 20261mo ago · Modified Jun 17, 20261w ago
8.1 CVSS 3.1
High
Find Similar
Published May 8, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
8.1
Exploitability
2.8
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
16.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥5.15  –  <6.1.167
linuxlinux_kernel*≥6.2  –  <6.6.130
linuxlinux_kernel*≥6.7  –  <6.12.78
linuxlinux_kernel*≥6.13  –  <6.18.20
linuxlinux_kernel*≥6.19  –  <6.19.9
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/407cc37c21d51f9b9d4d20204b04890880cfa6ae
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4084ed720d7d5f4e975c9e4a6267a552dad3b24a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/441336115df26b966575de56daf7107ed474faed
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6b01b997a2094969e315f1ebfc1d64b8ae2163d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fec5c70b82af3f59f15bb984df94e5ad1fccfb1e
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/407cc37c21d51f9b9d4d20204b04890880cfa6ae
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4084ed720d7d5f4e975c9e4a6267a552dad3b24a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/441336115df26b966575de56daf7107ed474faed
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6b01b997a2094969e315f1ebfc1d64b8ae2163d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fec5c70b82af3f59f15bb984df94e5ad1fccfb1e
    Patch