CVE-2009-2406 Information

Description

Stack-based buffer overflow in the parse_tag_11_packet function in fs/ecryptfs/keystore.c in the eCryptfs subsystem in the Linux kernel before 2.6.30.4 allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving a crafted eCryptfs file related to not ensuring that the key signature length in a Tag 11 packet is compatible with the key signature buffer size.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6352a29305373ae6196491e6d4669f301e26492e http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html http://risesecurity.org/advisories/RISE-2009002.txt http://secunia.com/advisories/35985 http://secunia.com/advisories/36045 http://secunia.com/advisories/36051 http://secunia.com/advisories/36054 http://secunia.com/advisories/36116 http://secunia.com/advisories/36131 http://secunia.com/advisories/37471 http://www.debian.org/security/2009/dsa-1844 http://www.debian.org/security/2009/dsa-1845 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.4 http://www.mandriva.com/security/advisories?name=MDVSA-2011:029 http://www.redhat.com/support/errata/RHSA-2009-1193.html http://www.securityfocus.com/archive/1/505334/100/0/threaded http://www.securityfocus.com/archive/1/507985/100/0/threaded http://www.securityfocus.com/bid/35851 http://www.securitytracker.com/id?1022663 http://www.ubuntu.com/usn/usn-807-1 http://www.vmware.com/security/advisories/VMSA-2009-0016.html http://www.vupen.com/english/advisories/2009/2041 http://www.vupen.com/english/advisories/2009/3316 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10072 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A8246 https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00166.html https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00223.html