VULNERABILITY INTELLIGENCE

CVE-2026-64379

CVSS score7.1 HIGH
EPSS probability0.31%
CISA KEVNot currently listed
Published2026-07-25
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parse_dacl() applies the server-provided sub_auth[2] value from the NFS mode SID to cf_mode without masking to 07777. Apply the correct masking, same as in the read path.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references