CVE-2009-2407 Information

Description

Heap-based buffer overflow in the parse_tag_3_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 a large encrypted key size in a Tag 3 packet.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f151cd2c54ddc7714e2f740681350476cda03a28 http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html http://risesecurity.org/advisories/RISE-2009003.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.redhat.com/support/errata/RHSA-2009-1193.html http://www.securityfocus.com/archive/1/505337/100/0/threaded http://www.securityfocus.com/archive/1/507985/100/0/threaded http://www.securityfocus.com/bid/35850 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.oval3Adef3A11255 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A8057 https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00166.html https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00223.html