Date: Mon, 23 Mar 2009 12:08:45 +0800 From: Eugene Teo <eugeneteo@...nel.sg> To: oss-security@...ts.openwall.com Cc: "Steven M. Christey" <coley@...us.mitre.org> Subject: CVE request: kernel: nfsd did not drop CAP_MKNOD for non-root According to the upstream commit 76a67ec6, an unprivileged client can, for example, create a device node on a filesystem exported with root_squash as CAP_MKNOD is not among the capabilities dropped when an nfsd thread handles a request from a non-root user. I believe this problem was introduced in upstream commit e338d263a (follows: v2.6.24; precedes: v2.6.25-rc1). http://groups.google.com/group/fa.linux.kernel/browse_thread/thread/665b99fdc970bee3 Thanks, Eugene
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