CLSA-2026-1780062671 Fix CVE(s): CVE-2026-41035

SECURITY UPDATE: receiver use-after-free in receivexattr via a wire-supplied xattr count passed to qsort: - debian/patches/els/0007-CVE-2026-41035.patch: sort tempxattr.count stored items instead of the untrusted wire count. - CVE-2026-41035...