CVE-2026-64379
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 Jul 25, 2026
- CVSS 7.1 high
- 0.3% chance of exploitation in the next 30 days (EPSS)
- A fix is available