Race condition in cpio 2.6 and earlier allows local users to modify permissions of arbitrary files via a hard link attack on a file while it is being decompressed, whose permissions are changed by cpio after the decompression is complete.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9783
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A358
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-1114
http://www.securityfocus.com/bid/13159
http://www.redhat.com/support/errata/RHSA-2005-806.html
http://www.redhat.com/support/errata/RHSA-2005-378.html
http://secunia.com/advisories/20117
http://secunia.com/advisories/18395
http://secunia.com/advisories/18290
http://secunia.com/advisories/17532
http://secunia.com/advisories/17123
http://secunia.com/advisories/16998
http://marc.info/?l=bugtraq&m=111342664116120&w=2
http://lists.suse.com/archive/suse-security-announce/2006-May/0004.html