RHSA-2007:0936-01 Important: kernel security update
Posted on: 09/27/2007 11:45 PM

A new update is available for Red Hat Enterprise Linux. Here the announcement:

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Red Hat Security Advisory

Synopsis: Important: kernel security update
Advisory ID: RHSA-2007:0936-01
Advisory URL: https://rhn.redhat.com/errata/RHSA-2007-0936.html
Issue date: 2007-09-27
Updated on: 2007-09-27
Product: Red Hat Enterprise Linux
CVE Names: CVE-2007-4573
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1. Summary:

Updated kernel packages that fix a security issue in the Red Hat Enterprise
Linux 5 kernel are now available.

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

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, noarch, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, noarch, ppc, s390x, x86_64

3. Problem description:

The Linux kernel handles the basic functions of the operating system.

A flaw was found in the IA32 system call emulation provided on AMD64 and
Intel 64 platforms. An improperly validated 64-bit value could be stored in
the %RAX register, which could trigger an out-of-bounds system call table
access. An untrusted local user could exploit this flaw to run code in the
kernel (ie a root privilege escalation). (CVE-2007-4573).

Red Hat would like to thank Wojciech Purczynski for reporting this issue.

Red Hat Enterprise Linux 5 users are advised to upgrade to these 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/FAQ_58_10188

5. Bug IDs fixed (http://bugzilla.redhat.com/):

294541 - CVE-2007-4573 x86_64 syscall vulnerability

6. RPMs required:

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

SRPMS:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/kernel-2.6.18-8.1.14.el5.src.rpm
e864e7c886ad6bd8a466d601e124d173 kernel-2.6.18-8.1.14.el5.src.rpm

i386:
c5708f61da5a1cd657387fd668c09070 kernel-2.6.18-8.1.14.el5.i686.rpm
bff45b4bb682aac45063413899a06576 kernel-PAE-2.6.18-8.1.14.el5.i686.rpm
f1340a36d2502c69628d3eec6bf3aced kernel-PAE-debuginfo-2.6.18-8.1.14.el5.i686.rpm
babeefe626d9cfa77e916def06eebca8 kernel-PAE-devel-2.6.18-8.1.14.el5.i686.rpm
2226da55579693babc8113450571bd74 kernel-debuginfo-2.6.18-8.1.14.el5.i686.rpm
238955fa7b46e9ec95b948c1ec821d3f kernel-debuginfo-common-2.6.18-8.1.14.el5.i686.rpm
5e4a74221dc2d89eb61687483d765da7 kernel-devel-2.6.18-8.1.14.el5.i686.rpm
3a6500224f3247fb02eb15fdf1dcf7fa kernel-headers-2.6.18-8.1.14.el5.i386.rpm
6e6ff28d8bc48e9227bd15e30fe6a222 kernel-xen-2.6.18-8.1.14.el5.i686.rpm
56a014181ae3b33498d7d5422cfc7bcf kernel-xen-debuginfo-2.6.18-8.1.14.el5.i686.rpm
3d8089808868c8848160c50f9836c50d kernel-xen-devel-2.6.18-8.1.14.el5.i686.rpm

noarch:
c126057734f1b94f43174a83ab6614a9 kernel-doc-2.6.18-8.1.14.el5.noarch.rpm

x86_64:
768d7dcf7eed6bbf7add28d46237d3e5 kernel-2.6.18-8.1.14.el5.x86_64.rpm
34a96bd8dc10cc9c9d3a78a6ecd2e419 kernel-debuginfo-2.6.18-8.1.14.el5.x86_64.rpm
31fcccdbdca394554da986ab0c942926 kernel-debuginfo-common-2.6.18-8.1.14.el5.x86_64.rpm
181e5913174d98cc4bb0f919ddc770b2 kernel-devel-2.6.18-8.1.14.el5.x86_64.rpm
60bd95d21e87bf5f8b7cd6b2eae982e1 kernel-headers-2.6.18-8.1.14.el5.x86_64.rpm
413f70b178c8374137d3305ea1a4cc36 kernel-xen-2.6.18-8.1.14.el5.x86_64.rpm
e7f3adcf9c4a948b9e9468c55eca9f3e kernel-xen-debuginfo-2.6.18-8.1.14.el5.x86_64.rpm
5f7ffa8121bb45510b25110973ff677f kernel-xen-devel-2.6.18-8.1.14.el5.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

SRPMS:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/kernel-2.6.18-8.1.14.el5.src.rpm
e864e7c886ad6bd8a466d601e124d173 kernel-2.6.18-8.1.14.el5.src.rpm

i386:
c5708f61da5a1cd657387fd668c09070 kernel-2.6.18-8.1.14.el5.i686.rpm
bff45b4bb682aac45063413899a06576 kernel-PAE-2.6.18-8.1.14.el5.i686.rpm
f1340a36d2502c69628d3eec6bf3aced kernel-PAE-debuginfo-2.6.18-8.1.14.el5.i686.rpm
babeefe626d9cfa77e916def06eebca8 kernel-PAE-devel-2.6.18-8.1.14.el5.i686.rpm
2226da55579693babc8113450571bd74 kernel-debuginfo-2.6.18-8.1.14.el5.i686.rpm
238955fa7b46e9ec95b948c1ec821d3f kernel-debuginfo-common-2.6.18-8.1.14.el5.i686.rpm
5e4a74221dc2d89eb61687483d765da7 kernel-devel-2.6.18-8.1.14.el5.i686.rpm
3a6500224f3247fb02eb15fdf1dcf7fa kernel-headers-2.6.18-8.1.14.el5.i386.rpm
6e6ff28d8bc48e9227bd15e30fe6a222 kernel-xen-2.6.18-8.1.14.el5.i686.rpm
56a014181ae3b33498d7d5422cfc7bcf kernel-xen-debuginfo-2.6.18-8.1.14.el5.i686.rpm
3d8089808868c8848160c50f9836c50d kernel-xen-devel-2.6.18-8.1.14.el5.i686.rpm

ia64:
04f3f9061fdd5dd13976ec24d6490f3c kernel-2.6.18-8.1.14.el5.ia64.rpm
0f804d732e7869362216f882c6aeb99c kernel-debuginfo-2.6.18-8.1.14.el5.ia64.rpm
10b8906a5c548a72d59eb171d632e40f kernel-debuginfo-common-2.6.18-8.1.14.el5.ia64.rpm
f1ea0fc12a5f524207b352bb2797797b kernel-devel-2.6.18-8.1.14.el5.ia64.rpm
bf20f192973330148a4e39fb01ebb2ac kernel-headers-2.6.18-8.1.14.el5.ia64.rpm
043bea776071be0fbec7bfcb2ca26c71 kernel-xen-2.6.18-8.1.14.el5.ia64.rpm
4c031c561f03481f63ee6e0f8a1e1cc5 kernel-xen-debuginfo-2.6.18-8.1.14.el5.ia64.rpm
642a0cc7fb33898b1c8e29c0b3b2144d kernel-xen-devel-2.6.18-8.1.14.el5.ia64.rpm

noarch:
c126057734f1b94f43174a83ab6614a9 kernel-doc-2.6.18-8.1.14.el5.noarch.rpm

ppc:
fd1014c95cdafb8f2f5821edb8fe3e3e kernel-2.6.18-8.1.14.el5.ppc64.rpm
15688f40cd935515c60a1dfb2d7d01d7 kernel-debuginfo-2.6.18-8.1.14.el5.ppc64.rpm
edb244df09f6a0d7a9e4b313622ae8db kernel-debuginfo-common-2.6.18-8.1.14.el5.ppc64.rpm
6f90335fc97510f00d412433d2cac5d6 kernel-devel-2.6.18-8.1.14.el5.ppc64.rpm
b198a4254da4be818b65568f43a1d13f kernel-headers-2.6.18-8.1.14.el5.ppc.rpm
912b2826d06f1ec64c5285d210cdcda3 kernel-headers-2.6.18-8.1.14.el5.ppc64.rpm
9bcded50fdf04a34cf068be0205751ba kernel-kdump-2.6.18-8.1.14.el5.ppc64.rpm
e10571322f9432ee69237110c74be0a9 kernel-kdump-debuginfo-2.6.18-8.1.14.el5.ppc64.rpm
18c9d8881fb4ac39b9a147f75aec7d8b kernel-kdump-devel-2.6.18-8.1.14.el5.ppc64.rpm

s390x:
e9e962c7ef8589a669ff3491bd65d294 kernel-2.6.18-8.1.14.el5.s390x.rpm
6b85cf0a62dd346f3a1d939f44d06964 kernel-debuginfo-2.6.18-8.1.14.el5.s390x.rpm
6c80a98df0f1836c3571d60f05d57a03 kernel-debuginfo-common-2.6.18-8.1.14.el5.s390x.rpm
b3a54a09be16b1a727e54364755514f4 kernel-devel-2.6.18-8.1.14.el5.s390x.rpm
5f94fecd0b8622617fb48c49819b97bb kernel-headers-2.6.18-8.1.14.el5.s390x.rpm

x86_64:
768d7dcf7eed6bbf7add28d46237d3e5 kernel-2.6.18-8.1.14.el5.x86_64.rpm
34a96bd8dc10cc9c9d3a78a6ecd2e419 kernel-debuginfo-2.6.18-8.1.14.el5.x86_64.rpm
31fcccdbdca394554da986ab0c942926 kernel-debuginfo-common-2.6.18-8.1.14.el5.x86_64.rpm
181e5913174d98cc4bb0f919ddc770b2 kernel-devel-2.6.18-8.1.14.el5.x86_64.rpm
60bd95d21e87bf5f8b7cd6b2eae982e1 kernel-headers-2.6.18-8.1.14.el5.x86_64.rpm
413f70b178c8374137d3305ea1a4cc36 kernel-xen-2.6.18-8.1.14.el5.x86_64.rpm
e7f3adcf9c4a948b9e9468c55eca9f3e kernel-xen-debuginfo-2.6.18-8.1.14.el5.x86_64.rpm
5f7ffa8121bb45510b25110973ff677f kernel-xen-devel-2.6.18-8.1.14.el5.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-2007-4573
http://www.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is lt;secalert@redhat.comgt;. More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2007 Red Hat, Inc.
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