CVE-2026-31611

CVE-2026-31611 affects the Linux kernel's ksmbd path. The flaw occurs in parse_dacl() when comparing ACE SIDs to sid_unix_NFS_mode and subsequently reading sid.sub_auth[2] as the file mode. If the SID has only two sub-authorities, an ACE placed at the end of the ACL can cause sid.sub_auth[2] to r...