The dd utility in uutils coreutils suppresses errors during file truncation operations by unconditionally calling Result::ok() on truncation attempts. While intended to mimic GNU behavior for special files like /dev/null, the uutils implementation also hides failures on regular files and directories caused by full disks or read-only file systems. This can lead to silent data corruption in backup or migration scripts, as the utility may report a successful operation even when the destination file contains old or garbage data.
{
"cwe_ids": [
"CWE-252"
],
"github_reviewed": true,
"github_reviewed_at": "2026-04-29T23:00:44Z",
"nvd_published_at": "2026-04-22T17:16:36Z",
"severity": "LOW"
}