CVE-2009-1072 Information

Description

nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread which allows local users to create device nodes as demonstrated on a filesystem that has been exported with the root_squash option.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=76a67ec6fb79ff3570dcb5342142c16098299911 http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html http://secunia.com/advisories/34422 http://secunia.com/advisories/34432 http://secunia.com/advisories/34786 http://secunia.com/advisories/35121 http://secunia.com/advisories/35185 http://secunia.com/advisories/35343 http://secunia.com/advisories/35390 http://secunia.com/advisories/35394 http://secunia.com/advisories/35656 http://secunia.com/advisories/37471 http://thread.gmane.org/gmane.linux.kernel/805280 http://www.debian.org/security/2009/dsa-1800 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9 http://www.openwall.com/lists/oss-security/2009/03/23/1 http://www.redhat.com/support/errata/RHSA-2009-1081.html http://www.securityfocus.com/archive/1/507985/100/0/threaded http://www.securityfocus.com/bid/34205 http://www.ubuntu.com/usn/usn-793-1 http://www.vmware.com/security/advisories/VMSA-2009-0016.html http://www.vupen.com/english/advisories/2009/0802 http://www.vupen.com/english/advisories/2009/3316 https://exchange.xforce.ibmcloud.com/vulnerabilities/49356 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10314 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A8382