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in the util-linux package, as included in Red Hat Linux 7.3 and earlier, and other operating systems, does not properly lock a temporary file when modifying /etc/passwd, which may allow local users to gain privileges via a complex race condition that uses an open file descriptor in utility programs such as chfn and chsh.","Type":"Description","Title":"CVE-2002-0638"},{"CveYear":"2002","CveId":"638","Ordinal":"2","NoteData":"2003-04-02","Type":"Other","Title":"Published"},{"CveYear":"2002","CveId":"638","Ordinal":"3","NoteData":"2003-03-20","Type":"Other","Title":"Modified"}]}}}