GHSA-x2wv-9p67-mh9w

ghsaUSosv

uutils coreutils doesn't properly handle setuid and setgid bits when ownership preservation fails

view advisory published 2026-04-22Licence: CC-BY-4.0

The cp utility in uutils coreutils fails to properly handle setuid and setgid bits when ownership preservation fails. When copying with the -p (preserve) flag, the utility applies the source mode bits even if the chown operation is unsuccessful. This can result in a user-owned copy retaining original privileged bits, creating unexpected privileged executables that violate local security policies. This differs from GNU cp, which clears these bits when ownership cannot be preserved.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-35350US——
The cp utility in uutils coreutils fails to properly handle setuid and setgid bits when ownership preservation fails. When copying with the -p (preserve) flag, the utility applies…
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