Security Advisory
CVE-2026-64379
7.1
HIGH
Vulnerability 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.
Published Date
July 25, 2026
Official Source
NIST NVD Advisory