CVE-2010-2521 Information

Description

Multiple buffer overflows in fs/nfsd/nfs4xdr.c in the XDR implementation in the NFS server in the Linux kernel before 2.6.34-rc6 allow remote attackers to cause a denial of service (panic) or possibly execute arbitrary code via a crafted NFSv4 compound WRITE request related to the read_buf and nfsd4_decode_compound functions.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2bc3c1179c781b359d4f2f3439cb3df72afc17fc http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html http://secunia.com/advisories/43315 http://securitytracker.com/id?1024286 http://www.debian.org/security/2010/dsa-2094 http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.34/ChangeLog-2.6.34-rc6 http://www.mandriva.com/security/advisories?name=MDVSA-2010:198 http://www.mandriva.com/security/advisories?name=MDVSA-2011:051 http://www.openwall.com/lists/oss-security/2010/07/07/1 http://www.openwall.com/lists/oss-security/2010/07/09/2 http://www.redhat.com/support/errata/RHSA-2010-0610.html http://www.redhat.com/support/errata/RHSA-2010-0893.html http://www.redhat.com/support/errata/RHSA-2010-0907.html http://www.securityfocus.com/archive/1/516397/100/0/threaded http://www.securityfocus.com/bid/42249 http://www.ubuntu.com/usn/USN-1000-1 http://www.vmware.com/security/advisories/VMSA-2011-0003.html http://www.vupen.com/english/advisories/2010/3050 https://bugzilla.redhat.com/show_bug.cgi?id=612028 https://rhn.redhat.com/errata/RHSA-2010-0606.html