What is CVE-2026-43377?

CVE-2026-43377 is a high-severity vulnerability in Linux. CVSS score: 8.1/10. Published 2026-05-08.

How severe is CVE-2026-43377?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Linux

CVE-2026-43377

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()…

EPSS: 0.000 (6.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Linux — versions e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9, 5.15, 0
Linux Linux_kernel — versions 7.0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-43377?: CVE-2026-43377 is a high-severity vulnerability in Linux. CVSS score: 8.1/10. Published 2026-05-08.
How severe is CVE-2026-43377?: High severity. CVSS v3 base score is 8.1 out of 10.