CVE-2010-4073 Information

Description

The ipc subsystem in the Linux kernel before 2.6.37-rc1 does not initialize certain structures which allows local users to obtain potentially sensitive information from kernel stack memory via vectors related to the (1) compat_sys_semctl (2) compat_sys_msgctl and (3) compat_sys_shmctl functions in ipc/compat.c; and the (4) compat_sys_mq_open and (5) compat_sys_mq_getsetattr functions in ipc/compat_mq.c.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=03145beb455cf5c20a761e8451e30b8a74ba58d9 http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html http://lkml.org/lkml/2010/10/6/492 http://secunia.com/advisories/42778 http://secunia.com/advisories/42884 http://secunia.com/advisories/42890 http://secunia.com/advisories/42932 http://secunia.com/advisories/42963 http://secunia.com/advisories/43291 http://secunia.com/advisories/46397 http://securityreason.com/securityalert/8366 http://www.debian.org/security/2010/dsa-2126 http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc1 http://www.mandriva.com/security/advisories?name=MDVSA-2011:029 http://www.mandriva.com/security/advisories?name=MDVSA-2011:051 http://www.openwall.com/lists/oss-security/2010/10/07/1 http://www.openwall.com/lists/oss-security/2010/10/25/3 http://www.redhat.com/support/errata/RHSA-2010-0958.html http://www.redhat.com/support/errata/RHSA-2011-0007.html http://www.redhat.com/support/errata/RHSA-2011-0017.html http://www.redhat.com/support/errata/RHSA-2011-0162.html http://www.securityfocus.com/archive/1/520102/100/0/threaded http://www.securityfocus.com/bid/45073 http://www.vmware.com/security/advisories/VMSA-2011-0012.html http://www.vupen.com/english/advisories/2011/0012 http://www.vupen.com/english/advisories/2011/0124 http://www.vupen.com/english/advisories/2011/0168 http://www.vupen.com/english/advisories/2011/0298 http://www.vupen.com/english/advisories/2011/0375 https://bugzilla.redhat.com/show_bug.cgi?id=648658