kernel is vulnerable to privilege escalation. The vulnerability exists as the exit_notify() function in the Linux kernel did not properly reset the exit signal if a process executed a set user ID (setuid) application before exiting. This could allow a local, unprivileged user to elevate their privileges.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=432870dab85a2f69dc417022646cb9a70acf7f94
kbase.redhat.com/faq/docs/DOC-16748
lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html
lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.html
marc.info/?l=linux-kernel&m=123560588713763&w=2
patchwork.kernel.org/patch/16544/
rhn.redhat.com/errata/RHSA-2009-0473.html
secunia.com/advisories/34917
secunia.com/advisories/34981
secunia.com/advisories/35011
secunia.com/advisories/35015
secunia.com/advisories/35120
secunia.com/advisories/35121
secunia.com/advisories/35160
secunia.com/advisories/35185
secunia.com/advisories/35226
secunia.com/advisories/35324
secunia.com/advisories/35387
secunia.com/advisories/35390
secunia.com/advisories/35394
secunia.com/advisories/35656
secunia.com/advisories/37471
wiki.rpath.com/Advisories:rPSA-2009-0084
www.debian.org/security/2009/dsa-1787
www.debian.org/security/2009/dsa-1794
www.debian.org/security/2009/dsa-1800
www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc1
www.mandriva.com/security/advisories?name=MDVSA-2009:119
www.mandriva.com/security/advisories?name=MDVSA-2009:135
www.openwall.com/lists/oss-security/2009/04/07/1
www.openwall.com/lists/oss-security/2009/04/17/3
www.redhat.com/security/updates/classification/#important
www.redhat.com/support/errata/RHSA-2009-0451.html
www.redhat.com/support/errata/RHSA-2009-1024.html
www.redhat.com/support/errata/RHSA-2009-1077.html
www.securityfocus.com/archive/1/503610/100/0/threaded
www.securityfocus.com/archive/1/507985/100/0/threaded
www.securityfocus.com/archive/1/512019/100/0/threaded
www.securityfocus.com/bid/34405
www.securitytracker.com/id?1022141
www.ubuntu.com/usn/usn-793-1
www.vmware.com/security/advisories/VMSA-2009-0016.html
www.vupen.com/english/advisories/2009/3316
access.redhat.com/errata/RHSA-2009:0473
bugzilla.redhat.com/show_bug.cgi?id=493771
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10919
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11206
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8295
rhn.redhat.com/errata/RHSA-2009-1550.html
www.redhat.com/archives/fedora-package-announce/2009-May/msg01126.html