CVE-2026-68099

In the Linux kernel, the following vulnerability has been resolved: ksmbd: restore DACL size on checkaddoverflow to avoid malformed ACL checkaddoverflow unconditionally writes the truncated sum into d even on overflow, per its contract in include/linux/overflow.h. The four checkaddoverflow guards...

CVE-2026-68099

The CVE-2026-68099 vulnerability is in ksmbd within the Linux kernel, where check_add_overflow() could cause an on-wire NT ACL to be malformed. In the affected DACL builders (set_posix_acl_entries_dacl() and set_ntacl_dacl()), overflow handling previously allowed the loop to break while the desti...

CVE-2026-31704

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use checkaddoverflow to prevent u16 DACL size overflow setposixaclentriesdacl and setntacldacl accumulate ACE sizes in u16 variables. When a file has many POSIX ACL entries, the accumulated size can wrap past 65535, causin...