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

Synopsis:          Moderate: systemtap security update
Advisory ID:       RHSA-2012:0376-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2012-0376.html
Issue date:        2012-03-08
CVE Names:         CVE-2012-0875 
=====================================================================

1. Summary:

Updated systemtap packages that fix one security issue are now available
for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

SystemTap is an instrumentation system for systems running the Linux
kernel. The system allows developers to write scripts to collect data on
the operation of the system.

An invalid pointer read flaw was found in the way SystemTap handled
malformed debugging information in DWARF format. When SystemTap
unprivileged mode was enabled, an unprivileged user in the stapusr group
could use this flaw to crash the system or, potentially, read arbitrary
kernel memory. Additionally, a privileged user (root, or a member of the
stapdev group) could trigger this flaw when tricked into instrumenting a
specially-crafted ELF binary, even when unprivileged mode was not enabled.
(CVE-2012-0875)

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 all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

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

795913 - CVE-2012-0875 systemtap: kernel panic when processing malformed DWARF unwind data

6. Package List:

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/systemtap-1.6-7.el5_8.src.rpm

i386:
systemtap-1.6-7.el5_8.i386.rpm
systemtap-debuginfo-1.6-7.el5_8.i386.rpm
systemtap-initscript-1.6-7.el5_8.i386.rpm
systemtap-runtime-1.6-7.el5_8.i386.rpm
systemtap-sdt-devel-1.6-7.el5_8.i386.rpm
systemtap-server-1.6-7.el5_8.i386.rpm
systemtap-testsuite-1.6-7.el5_8.i386.rpm

x86_64:
systemtap-1.6-7.el5_8.x86_64.rpm
systemtap-debuginfo-1.6-7.el5_8.i386.rpm
systemtap-debuginfo-1.6-7.el5_8.x86_64.rpm
systemtap-initscript-1.6-7.el5_8.x86_64.rpm
systemtap-runtime-1.6-7.el5_8.x86_64.rpm
systemtap-sdt-devel-1.6-7.el5_8.i386.rpm
systemtap-sdt-devel-1.6-7.el5_8.x86_64.rpm
systemtap-server-1.6-7.el5_8.x86_64.rpm
systemtap-testsuite-1.6-7.el5_8.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/systemtap-1.6-7.el5_8.src.rpm

i386:
systemtap-1.6-7.el5_8.i386.rpm
systemtap-debuginfo-1.6-7.el5_8.i386.rpm
systemtap-initscript-1.6-7.el5_8.i386.rpm
systemtap-runtime-1.6-7.el5_8.i386.rpm
systemtap-sdt-devel-1.6-7.el5_8.i386.rpm
systemtap-server-1.6-7.el5_8.i386.rpm
systemtap-testsuite-1.6-7.el5_8.i386.rpm

ia64:
systemtap-1.6-7.el5_8.ia64.rpm
systemtap-debuginfo-1.6-7.el5_8.ia64.rpm
systemtap-initscript-1.6-7.el5_8.ia64.rpm
systemtap-runtime-1.6-7.el5_8.ia64.rpm
systemtap-sdt-devel-1.6-7.el5_8.ia64.rpm
systemtap-server-1.6-7.el5_8.ia64.rpm
systemtap-testsuite-1.6-7.el5_8.ia64.rpm

ppc:
systemtap-1.6-7.el5_8.ppc64.rpm
systemtap-debuginfo-1.6-7.el5_8.ppc64.rpm
systemtap-initscript-1.6-7.el5_8.ppc64.rpm
systemtap-runtime-1.6-7.el5_8.ppc64.rpm
systemtap-sdt-devel-1.6-7.el5_8.ppc64.rpm
systemtap-server-1.6-7.el5_8.ppc64.rpm
systemtap-testsuite-1.6-7.el5_8.ppc64.rpm

s390x:
systemtap-1.6-7.el5_8.s390x.rpm
systemtap-debuginfo-1.6-7.el5_8.s390.rpm
systemtap-debuginfo-1.6-7.el5_8.s390x.rpm
systemtap-initscript-1.6-7.el5_8.s390x.rpm
systemtap-runtime-1.6-7.el5_8.s390x.rpm
systemtap-sdt-devel-1.6-7.el5_8.s390.rpm
systemtap-sdt-devel-1.6-7.el5_8.s390x.rpm
systemtap-server-1.6-7.el5_8.s390x.rpm
systemtap-testsuite-1.6-7.el5_8.s390x.rpm

x86_64:
systemtap-1.6-7.el5_8.x86_64.rpm
systemtap-debuginfo-1.6-7.el5_8.i386.rpm
systemtap-debuginfo-1.6-7.el5_8.x86_64.rpm
systemtap-initscript-1.6-7.el5_8.x86_64.rpm
systemtap-runtime-1.6-7.el5_8.x86_64.rpm
systemtap-sdt-devel-1.6-7.el5_8.i386.rpm
systemtap-sdt-devel-1.6-7.el5_8.x86_64.rpm
systemtap-server-1.6-7.el5_8.x86_64.rpm
systemtap-testsuite-1.6-7.el5_8.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/systemtap-1.6-5.el6_2.src.rpm

i386:
systemtap-1.6-5.el6_2.i686.rpm
systemtap-debuginfo-1.6-5.el6_2.i686.rpm
systemtap-grapher-1.6-5.el6_2.i686.rpm
systemtap-initscript-1.6-5.el6_2.i686.rpm
systemtap-runtime-1.6-5.el6_2.i686.rpm

x86_64:
systemtap-1.6-5.el6_2.x86_64.rpm
systemtap-debuginfo-1.6-5.el6_2.x86_64.rpm
systemtap-grapher-1.6-5.el6_2.x86_64.rpm
systemtap-initscript-1.6-5.el6_2.x86_64.rpm
systemtap-runtime-1.6-5.el6_2.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/systemtap-1.6-5.el6_2.src.rpm

i386:
systemtap-debuginfo-1.6-5.el6_2.i686.rpm
systemtap-sdt-devel-1.6-5.el6_2.i686.rpm
systemtap-server-1.6-5.el6_2.i686.rpm
systemtap-testsuite-1.6-5.el6_2.i686.rpm

x86_64:
systemtap-debuginfo-1.6-5.el6_2.i686.rpm
systemtap-debuginfo-1.6-5.el6_2.x86_64.rpm
systemtap-sdt-devel-1.6-5.el6_2.i686.rpm
systemtap-sdt-devel-1.6-5.el6_2.x86_64.rpm
systemtap-server-1.6-5.el6_2.x86_64.rpm
systemtap-testsuite-1.6-5.el6_2.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/systemtap-1.6-5.el6_2.src.rpm

x86_64:
systemtap-1.6-5.el6_2.x86_64.rpm
systemtap-debuginfo-1.6-5.el6_2.x86_64.rpm
systemtap-initscript-1.6-5.el6_2.x86_64.rpm
systemtap-runtime-1.6-5.el6_2.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/systemtap-1.6-5.el6_2.src.rpm

x86_64:
systemtap-debuginfo-1.6-5.el6_2.i686.rpm
systemtap-debuginfo-1.6-5.el6_2.x86_64.rpm
systemtap-grapher-1.6-5.el6_2.x86_64.rpm
systemtap-sdt-devel-1.6-5.el6_2.i686.rpm
systemtap-sdt-devel-1.6-5.el6_2.x86_64.rpm
systemtap-server-1.6-5.el6_2.x86_64.rpm
systemtap-testsuite-1.6-5.el6_2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/systemtap-1.6-5.el6_2.src.rpm

i386:
systemtap-1.6-5.el6_2.i686.rpm
systemtap-debuginfo-1.6-5.el6_2.i686.rpm
systemtap-grapher-1.6-5.el6_2.i686.rpm
systemtap-initscript-1.6-5.el6_2.i686.rpm
systemtap-runtime-1.6-5.el6_2.i686.rpm
systemtap-sdt-devel-1.6-5.el6_2.i686.rpm
systemtap-server-1.6-5.el6_2.i686.rpm

ppc64:
systemtap-1.6-5.el6_2.ppc64.rpm
systemtap-debuginfo-1.6-5.el6_2.ppc.rpm
systemtap-debuginfo-1.6-5.el6_2.ppc64.rpm
systemtap-grapher-1.6-5.el6_2.ppc64.rpm
systemtap-initscript-1.6-5.el6_2.ppc64.rpm
systemtap-runtime-1.6-5.el6_2.ppc64.rpm
systemtap-sdt-devel-1.6-5.el6_2.ppc.rpm
systemtap-sdt-devel-1.6-5.el6_2.ppc64.rpm
systemtap-server-1.6-5.el6_2.ppc64.rpm

s390x:
systemtap-1.6-5.el6_2.s390x.rpm
systemtap-debuginfo-1.6-5.el6_2.s390.rpm
systemtap-debuginfo-1.6-5.el6_2.s390x.rpm
systemtap-grapher-1.6-5.el6_2.s390x.rpm
systemtap-initscript-1.6-5.el6_2.s390x.rpm
systemtap-runtime-1.6-5.el6_2.s390x.rpm
systemtap-sdt-devel-1.6-5.el6_2.s390.rpm
systemtap-sdt-devel-1.6-5.el6_2.s390x.rpm
systemtap-server-1.6-5.el6_2.s390x.rpm

x86_64:
systemtap-1.6-5.el6_2.x86_64.rpm
systemtap-debuginfo-1.6-5.el6_2.i686.rpm
systemtap-debuginfo-1.6-5.el6_2.x86_64.rpm
systemtap-grapher-1.6-5.el6_2.x86_64.rpm
systemtap-initscript-1.6-5.el6_2.x86_64.rpm
systemtap-runtime-1.6-5.el6_2.x86_64.rpm
systemtap-sdt-devel-1.6-5.el6_2.i686.rpm
systemtap-sdt-devel-1.6-5.el6_2.x86_64.rpm
systemtap-server-1.6-5.el6_2.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/systemtap-1.6-5.el6_2.src.rpm

i386:
systemtap-debuginfo-1.6-5.el6_2.i686.rpm
systemtap-testsuite-1.6-5.el6_2.i686.rpm

ppc64:
systemtap-debuginfo-1.6-5.el6_2.ppc64.rpm
systemtap-testsuite-1.6-5.el6_2.ppc64.rpm

s390x:
systemtap-debuginfo-1.6-5.el6_2.s390x.rpm
systemtap-testsuite-1.6-5.el6_2.s390x.rpm

x86_64:
systemtap-debuginfo-1.6-5.el6_2.x86_64.rpm
systemtap-testsuite-1.6-5.el6_2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/systemtap-1.6-5.el6_2.src.rpm

i386:
systemtap-1.6-5.el6_2.i686.rpm
systemtap-debuginfo-1.6-5.el6_2.i686.rpm
systemtap-grapher-1.6-5.el6_2.i686.rpm
systemtap-initscript-1.6-5.el6_2.i686.rpm
systemtap-runtime-1.6-5.el6_2.i686.rpm
systemtap-sdt-devel-1.6-5.el6_2.i686.rpm
systemtap-server-1.6-5.el6_2.i686.rpm

x86_64:
systemtap-1.6-5.el6_2.x86_64.rpm
systemtap-debuginfo-1.6-5.el6_2.i686.rpm
systemtap-debuginfo-1.6-5.el6_2.x86_64.rpm
systemtap-grapher-1.6-5.el6_2.x86_64.rpm
systemtap-initscript-1.6-5.el6_2.x86_64.rpm
systemtap-runtime-1.6-5.el6_2.x86_64.rpm
systemtap-sdt-devel-1.6-5.el6_2.i686.rpm
systemtap-sdt-devel-1.6-5.el6_2.x86_64.rpm
systemtap-server-1.6-5.el6_2.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/systemtap-1.6-5.el6_2.src.rpm

i386:
systemtap-debuginfo-1.6-5.el6_2.i686.rpm
systemtap-testsuite-1.6-5.el6_2.i686.rpm

x86_64:
systemtap-debuginfo-1.6-5.el6_2.x86_64.rpm
systemtap-testsuite-1.6-5.el6_2.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://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2012-0875.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2012 Red Hat, Inc.
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