CVE-2010-3904 Information

Description

The rds_page_copy_user function in net/rds/page.c in the Reliable Datagram Sockets (RDS) protocol implementation in the Linux kernel before 2.6.36 does not properly validate addresses obtained from user space which allows local users to gain privileges via crafted use of the sendmsg and recvmsg system calls.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=799c10559d60f159ab2232203f222f18fa3c4a5f http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html http://packetstormsecurity.com/files/155751/vReliable-Datagram-Sockets-RDS-rds_page_copy_user-Privilege-Escalation.html http://secunia.com/advisories/46397 http://securitytracker.com/id?1024613 http://www.kb.cert.org/vuls/id/362983 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36 http://www.redhat.com/support/errata/RHSA-2010-0792.html http://www.redhat.com/support/errata/RHSA-2010-0842.html http://www.securityfocus.com/archive/1/520102/100/0/threaded http://www.ubuntu.com/usn/USN-1000-1 http://www.vmware.com/security/advisories/VMSA-2011-0012.html http://www.vsecurity.com/download/tools/linux-rds-exploit.c http://www.vsecurity.com/resources/advisory/20101019-1/ http://www.vupen.com/english/advisories/2011/0298 https://bugzilla.redhat.com/show_bug.cgi?id=642896 https://www.exploit-db.com/exploits/44677/