In the Linux kernel, the following vulnerability has been resolved: ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION Use sb->s_uuid for a proper volume identifier as the primary choice. For filesystems that do not provide a UUID, fall back to stfs.f_fsid obtained from vfs_statfs().
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2026040629-CVE-2026-31410-5b44@gregkh/T