CVE-2008-2365 Information

Description

Race condition in the ptrace and utrace support in the Linux kernel 2.6.9 through 2.6.25 as used in Red Hat Enterprise Linux (RHEL) 4 allows local users to cause a denial of service (oops) via a long series of PTRACE_ATTACH ptrace calls to another user’s process that trigger a conflict between utrace_detach and report_quiescent related to \late ptrace_may_attach() check\ and \race around &dead_engine_ops setting\ a different vulnerability than CVE-2007-0771 and CVE-2008-1514. NOTE: this issue might only affect kernel versions before 2.6.16.x.

Reference

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git;a=commit;h=5ecfbae093f0c37311e89b29bfc0c9d586eace87 http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git;a=commit;h=f358166a9405e4f1d8e50d8f415c26d95505b6de http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git;a=commit;h=f5b40e363ad6041a96e3da32281d8faa191597b9 http://marc.info/?l=linux-kernel&m=117863520707703&w=2 http://rhn.redhat.com/errata/RHSA-2008-0508.html http://secunia.com/advisories/30850 http://secunia.com/advisories/31107 http://securityreason.com/securityalert/3965 http://sources.redhat.com/cgi-bin/cvsweb.cgi/checkout/tests/ptrace-tests/tests/late-ptrace-may-attach-check.c?cvsroot=systemtap http://www.openwall.com/lists/oss-security/2008/06/26/1 http://www.openwall.com/lists/oss-security/2008/07/14/1 http://www.securityfocus.com/bid/29945 http://www.securitytracker.com/id?1020362 http://www.ubuntu.com/usn/usn-625-1 https://bugzilla.redhat.com/show_bug.cgi?id=449359 https://exchange.xforce.ibmcloud.com/vulnerabilities/43567 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10749