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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: systemtap security update
Advisory ID: RHSA-2009:0373-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-0373.html
Issue date: 2009-03-26
CVE Names: CVE-2009-0784
=====================================================================

1. Summary:

Updated systemtap packages that fix a security issue are now available for
Red Hat Enterprise Linux 4 and 5.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Description:

SystemTap is an instrumentation infrastructure for systems running version
2.6 of the Linux kernel. SystemTap scripts can collect system operations
data, greatly simplifying information gathering. Collected data can then
assist in performance measuring, functional testing, and performance and
function problem diagnosis.

A race condition was discovered in SystemTap that could allow users in the
stapusr group to elevate privileges to that of members of the stapdev group
(and hence root), bypassing directory confinement restrictions and allowing
them to insert arbitrary SystemTap kernel modules. (CVE-2009-0784)

Note: This issue was only exploitable if another SystemTap kernel module
was placed in the "systemtap/" module directory for the currently running
kernel.

Red Hat would like to thank Erik Sjölund for reporting this issue.

SystemTap users should upgrade to these updated packages, which contain a
backported patch to correct this issue.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

489808 - CVE-2009-0784 systemtap: race condition leads to privilege escalation

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/systemtap-0.6.2-2.el4_7.src.rpm

i386:
systemtap-0.6.2-2.el4_7.i386.rpm
systemtap-debuginfo-0.6.2-2.el4_7.i386.rpm
systemtap-runtime-0.6.2-2.el4_7.i386.rpm
systemtap-testsuite-0.6.2-2.el4_7.i386.rpm

ia64:
systemtap-0.6.2-2.el4_7.ia64.rpm
systemtap-debuginfo-0.6.2-2.el4_7.ia64.rpm
systemtap-runtime-0.6.2-2.el4_7.ia64.rpm
systemtap-testsuite-0.6.2-2.el4_7.ia64.rpm

ppc:
systemtap-0.6.2-2.el4_7.ppc64.rpm
systemtap-debuginfo-0.6.2-2.el4_7.ppc64.rpm
systemtap-runtime-0.6.2-2.el4_7.ppc64.rpm
systemtap-testsuite-0.6.2-2.el4_7.ppc64.rpm

x86_64:
systemtap-0.6.2-2.el4_7.x86_64.rpm
systemtap-debuginfo-0.6.2-2.el4_7.x86_64.rpm
systemtap-runtime-0.6.2-2.el4_7.x86_64.rpm
systemtap-testsuite-0.6.2-2.el4_7.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/systemtap-0.6.2-2.el4_7.src.rpm

i386:
systemtap-0.6.2-2.el4_7.i386.rpm
systemtap-debuginfo-0.6.2-2.el4_7.i386.rpm
systemtap-runtime-0.6.2-2.el4_7.i386.rpm
systemtap-testsuite-0.6.2-2.el4_7.i386.rpm

x86_64:
systemtap-0.6.2-2.el4_7.x86_64.rpm
systemtap-debuginfo-0.6.2-2.el4_7.x86_64.rpm
systemtap-runtime-0.6.2-2.el4_7.x86_64.rpm
systemtap-testsuite-0.6.2-2.el4_7.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/systemtap-0.6.2-2.el4_7.src.rpm

i386:
systemtap-0.6.2-2.el4_7.i386.rpm
systemtap-debuginfo-0.6.2-2.el4_7.i386.rpm
systemtap-runtime-0.6.2-2.el4_7.i386.rpm
systemtap-testsuite-0.6.2-2.el4_7.i386.rpm

ia64:
systemtap-0.6.2-2.el4_7.ia64.rpm
systemtap-debuginfo-0.6.2-2.el4_7.ia64.rpm
systemtap-runtime-0.6.2-2.el4_7.ia64.rpm
systemtap-testsuite-0.6.2-2.el4_7.ia64.rpm

x86_64:
systemtap-0.6.2-2.el4_7.x86_64.rpm
systemtap-debuginfo-0.6.2-2.el4_7.x86_64.rpm
systemtap-runtime-0.6.2-2.el4_7.x86_64.rpm
systemtap-testsuite-0.6.2-2.el4_7.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/systemtap-0.6.2-2.el4_7.src.rpm

i386:
systemtap-0.6.2-2.el4_7.i386.rpm
systemtap-debuginfo-0.6.2-2.el4_7.i386.rpm
systemtap-runtime-0.6.2-2.el4_7.i386.rpm
systemtap-testsuite-0.6.2-2.el4_7.i386.rpm

ia64:
systemtap-0.6.2-2.el4_7.ia64.rpm
systemtap-debuginfo-0.6.2-2.el4_7.ia64.rpm
systemtap-runtime-0.6.2-2.el4_7.ia64.rpm
systemtap-testsuite-0.6.2-2.el4_7.ia64.rpm

x86_64:
systemtap-0.6.2-2.el4_7.x86_64.rpm
systemtap-debuginfo-0.6.2-2.el4_7.x86_64.rpm
systemtap-runtime-0.6.2-2.el4_7.x86_64.rpm
systemtap-testsuite-0.6.2-2.el4_7.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/systemtap-0.7.2-3.el5_3.src.rpm

i386:
systemtap-0.7.2-3.el5_3.i386.rpm
systemtap-client-0.7.2-3.el5_3.i386.rpm
systemtap-debuginfo-0.7.2-3.el5_3.i386.rpm
systemtap-runtime-0.7.2-3.el5_3.i386.rpm
systemtap-server-0.7.2-3.el5_3.i386.rpm
systemtap-testsuite-0.7.2-3.el5_3.i386.rpm

x86_64:
systemtap-0.7.2-3.el5_3.x86_64.rpm
systemtap-client-0.7.2-3.el5_3.x86_64.rpm
systemtap-debuginfo-0.7.2-3.el5_3.x86_64.rpm
systemtap-runtime-0.7.2-3.el5_3.x86_64.rpm
systemtap-server-0.7.2-3.el5_3.x86_64.rpm
systemtap-testsuite-0.7.2-3.el5_3.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/systemtap-0.7.2-3.el5_3.src.rpm

i386:
systemtap-0.7.2-3.el5_3.i386.rpm
systemtap-client-0.7.2-3.el5_3.i386.rpm
systemtap-debuginfo-0.7.2-3.el5_3.i386.rpm
systemtap-runtime-0.7.2-3.el5_3.i386.rpm
systemtap-server-0.7.2-3.el5_3.i386.rpm
systemtap-testsuite-0.7.2-3.el5_3.i386.rpm

ia64:
systemtap-0.7.2-3.el5_3.ia64.rpm
systemtap-client-0.7.2-3.el5_3.ia64.rpm
systemtap-debuginfo-0.7.2-3.el5_3.ia64.rpm
systemtap-runtime-0.7.2-3.el5_3.ia64.rpm
systemtap-server-0.7.2-3.el5_3.ia64.rpm
systemtap-testsuite-0.7.2-3.el5_3.ia64.rpm

ppc:
systemtap-0.7.2-3.el5_3.ppc64.rpm
systemtap-client-0.7.2-3.el5_3.ppc64.rpm
systemtap-debuginfo-0.7.2-3.el5_3.ppc64.rpm
systemtap-runtime-0.7.2-3.el5_3.ppc64.rpm
systemtap-server-0.7.2-3.el5_3.ppc64.rpm
systemtap-testsuite-0.7.2-3.el5_3.ppc64.rpm

s390x:
systemtap-0.7.2-3.el5_3.s390x.rpm
systemtap-client-0.7.2-3.el5_3.s390x.rpm
systemtap-debuginfo-0.7.2-3.el5_3.s390x.rpm
systemtap-runtime-0.7.2-3.el5_3.s390x.rpm
systemtap-server-0.7.2-3.el5_3.s390x.rpm
systemtap-testsuite-0.7.2-3.el5_3.s390x.rpm

x86_64:
systemtap-0.7.2-3.el5_3.x86_64.rpm
systemtap-client-0.7.2-3.el5_3.x86_64.rpm
systemtap-debuginfo-0.7.2-3.el5_3.x86_64.rpm
systemtap-runtime-0.7.2-3.el5_3.x86_64.rpm
systemtap-server-0.7.2-3.el5_3.x86_64.rpm
systemtap-testsuite-0.7.2-3.el5_3.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0784
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is . More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2009 Red Hat, Inc.
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