CVE-2005-3783 Information

Description

The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2 using CLONE_THREAD does not use the thread group ID to check whether it is attaching to itself which allows local users to cause a denial of service (crash).

Reference

ftp://patches.sgi.com/support/free/security/advisories/20060402-01-U http://secunia.com/advisories/17761 http://secunia.com/advisories/17787 http://secunia.com/advisories/17917 http://secunia.com/advisories/17918 http://secunia.com/advisories/18203 http://secunia.com/advisories/19369 http://secunia.com/advisories/19374 http://secunia.com/advisories/19607 http://www.debian.org/security/2006/dsa-1017 http://www.debian.org/security/2006/dsa-1018 http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git;a=blobdiff;h=fcfc4568b45f3f190ba320b0d5853836921cb8bc;hp=019e04ec065a55d8f28157d3a1f7ba06cafd347f;hb=082d52c56f642d21b771a13221068d40915a1409;f=kernel/ptrace.c http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git;a=commit;h=082d52c56f642d21b771a13221068d40915a1409 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14.2 http://www.mandriva.com/security/advisories?name=MDKSA-2006:018 http://www.mandriva.com/security/advisories?name=MDKSA-2006:072 http://www.securityfocus.com/advisories/9806 http://www.securityfocus.com/archive/1/419522/100/0/threaded http://www.securityfocus.com/bid/15642 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174075 https://usn.ubuntu.com/231-1/