CVE-2026-43377

Source
https://cve.org/CVERecord?id=CVE-2026-43377
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43377.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-43377
Downstream
Published
2026-05-08T14:21:26.618Z
Modified
2026-07-08T08:13:30.335396471Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
ksmbd: Don't log keys in SMB3 signing and encryption key generation
Details

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: Don't log keys in SMB3 signing and encryption key generation

When KSMBDDEBUGAUTH logging is enabled, generatesmb3signingkey() and generatesmb3encryptionkey() log the session, signing, encryption, and decryption key bytes. Remove the logs to avoid exposing credentials.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43377.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9
Fixed
4084ed720d7d5f4e975c9e4a6267a552dad3b24a
Fixed
fec5c70b82af3f59f15bb984df94e5ad1fccfb1e
Fixed
3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f
Fixed
407cc37c21d51f9b9d4d20204b04890880cfa6ae
Fixed
c6b01b997a2094969e315f1ebfc1d64b8ae2163d
Fixed
441336115df26b966575de56daf7107ed474faed

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43377.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.15.0
Fixed
6.1.167
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.130
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.78
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.20
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
6.19.9

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43377.json"