---------------------------------------------------------------------
Red Hat Security Advisory
Synopsis: Updated 2.4 kernel fixes vulnerability
Advisory ID: RHSA-2003:098-00
Issue date: 2003-03-17
Updated on: 2003-03-17
Product: Red Hat Linux
Keywords: ptrace
Cross references:
Obsoletes: RHSA-2003:025-20 RHBA-2003:069-12
CVE Names: CAN-2003-0127
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1. Topic:
Updated kernel packages for Red Hat Linux 7.1, 7.2, 7.3, and 8.0 are now
available. These packages fix a ptrace-related vulnerability that can
lead to elevated (root) privileges.
2. Relevant releases/architectures:
Red Hat Linux 7.1 - athlon, i386, i586, i686
Red Hat Linux 7.2 - athlon, i386, i586, i686
Red Hat Linux 7.3 - athlon, i386, i586, i686
Red Hat Linux 8.0 - athlon, i386, i586, i686
3. Problem description:
The Linux kernel handles the basic functions of the operating system.
A vulnerability has been found in version 2.4.18 of the kernel. This
vulnerability makes it possible for local users to gain elevated (root)
privileges without authorization. This advisory deals with updates to
Red Hat Linux 7.1, 7.2, 7.3, and 8.0.
All users of Red Hat Linux 7.1, 7.2, 7.3, and 8.0 should upgrade to
these errata packages, which contain patches to fix the vulnerability.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied, especially the additional
packages from RHSA-2002:205 and RHSA-2002:206.
The procedure for upgrading the kernel manually is documented at:
http://www.redhat.com/support/docs/howto/kernel-upgrade/
Please read the directions for your architecture carefully before
proceeding with the kernel upgrade.
Please note that this update is also available via Red Hat Network. Many
people find this to be an easier way to apply updates. To use Red Hat
Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system. Note that you need to select the kernel
explicitly on default configurations of up2date.
5. RPMs required:
Red Hat Linux 7.1:
SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm
athlon:
ftp://updates.redhat.com/7.1/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm
ftp://updates.redhat.com/7.1/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm
i386:
ftp://updates.redhat.com/7.1/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm
i586:
ftp://updates.redhat.com/7.1/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm
ftp://updates.redhat.com/7.1/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm
i686:
ftp://updates.redhat.com/7.1/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm
ftp://updates.redhat.com/7.1/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm
ftp://updates.redhat.com/7.1/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm
ftp://updates.redhat.com/7.1/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm
Red Hat Linux 7.2:
SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm
athlon:
ftp://updates.redhat.com/7.2/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm
ftp://updates.redhat.com/7.2/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm
i386:
ftp://updates.redhat.com/7.2/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm
i586:
ftp://updates.redhat.com/7.2/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm
ftp://updates.redhat.com/7.2/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm
i686:
ftp://updates.redhat.com/7.2/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm
ftp://updates.redhat.com/7.2/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm
ftp://updates.redhat.com/7.2/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm
ftp://updates.redhat.com/7.2/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm
Red Hat Linux 7.3:
SRPMS:
ftp://updates.redhat.com/7.3/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm
athlon:
ftp://updates.redhat.com/7.3/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm
ftp://updates.redhat.com/7.3/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm
i386:
ftp://updates.redhat.com/7.3/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm
i586:
ftp://updates.redhat.com/7.3/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm
ftp://updates.redhat.com/7.3/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm
i686:
ftp://updates.redhat.com/7.3/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm
ftp://updates.redhat.com/7.3/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm
ftp://updates.redhat.com/7.3/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm
ftp://updates.redhat.com/7.3/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm
Red Hat Linux 8.0:
SRPMS:
ftp://updates.redhat.com/8.0/en/os/SRPMS/kernel-2.4.18-27.8.0.src.rpm
athlon:
ftp://updates.redhat.com/8.0/en/os/athlon/kernel-2.4.18-27.8.0.athlon.rpm
ftp://updates.redhat.com/8.0/en/os/athlon/kernel-smp-2.4.18-27.8.0.athlon.rpm
i386:
ftp://updates.redhat.com/8.0/en/os/i386/kernel-2.4.18-27.8.0.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/kernel-source-2.4.18-27.8.0.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/kernel-doc-2.4.18-27.8.0.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/kernel-BOOT-2.4.18-27.8.0.i386.rpm
i586:
ftp://updates.redhat.com/8.0/en/os/i586/kernel-2.4.18-27.8.0.i586.rpm
ftp://updates.redhat.com/8.0/en/os/i586/kernel-smp-2.4.18-27.8.0.i586.rpm
i686:
ftp://updates.redhat.com/8.0/en/os/i686/kernel-2.4.18-27.8.0.i686.rpm
ftp://updates.redhat.com/8.0/en/os/i686/kernel-smp-2.4.18-27.8.0.i686.rpm
ftp://updates.redhat.com/8.0/en/os/i686/kernel-bigmem-2.4.18-27.8.0.i686.rpm
ftp://updates.redhat.com/8.0/en/os/i686/kernel-debug-2.4.18-27.8.0.i686.rpm
6. Verification:
MD5 sum Package Name
--------------------------------------------------------------------------
addeef535e3590c9c080661b6747c3a8 7.1/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm
f604974008bc2f85ddb83edcbd137f08 7.1/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm
87298e818938d0db069030f2737a83c1 7.1/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm
d8d7ad334e192989308399924cbf91f8 7.1/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm
2060403022a1dc25a5700356d2d6b649 7.1/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm
02ae46618c1b001874e1330ad57f54fa 7.1/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm
b169f55fef2064ef29c753674aaba9b0 7.1/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm
5a970002916eebe2e6665fbbf0a44109 7.1/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm
b3fb5228466e86dfb9287c32b89b8118 7.1/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm
cab59b8ce75e659243340b811a0e59ad 7.1/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm
5ceca1d559294ba1dee9dcf807a0e442 7.1/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm
007688dc1826fee8abaff646ea77cedc 7.1/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm
53187f3f166aa6e5a500b106d6bff69c 7.1/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm
addeef535e3590c9c080661b6747c3a8 7.2/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm
f604974008bc2f85ddb83edcbd137f08 7.2/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm
87298e818938d0db069030f2737a83c1 7.2/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm
d8d7ad334e192989308399924cbf91f8 7.2/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm
2060403022a1dc25a5700356d2d6b649 7.2/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm
02ae46618c1b001874e1330ad57f54fa 7.2/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm
b169f55fef2064ef29c753674aaba9b0 7.2/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm
5a970002916eebe2e6665fbbf0a44109 7.2/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm
b3fb5228466e86dfb9287c32b89b8118 7.2/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm
cab59b8ce75e659243340b811a0e59ad 7.2/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm
5ceca1d559294ba1dee9dcf807a0e442 7.2/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm
007688dc1826fee8abaff646ea77cedc 7.2/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm
53187f3f166aa6e5a500b106d6bff69c 7.2/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm
addeef535e3590c9c080661b6747c3a8 7.3/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm
f604974008bc2f85ddb83edcbd137f08 7.3/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm
87298e818938d0db069030f2737a83c1 7.3/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm
d8d7ad334e192989308399924cbf91f8 7.3/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm
2060403022a1dc25a5700356d2d6b649 7.3/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm
02ae46618c1b001874e1330ad57f54fa 7.3/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm
b169f55fef2064ef29c753674aaba9b0 7.3/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm
5a970002916eebe2e6665fbbf0a44109 7.3/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm
b3fb5228466e86dfb9287c32b89b8118 7.3/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm
cab59b8ce75e659243340b811a0e59ad 7.3/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm
5ceca1d559294ba1dee9dcf807a0e442 7.3/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm
007688dc1826fee8abaff646ea77cedc 7.3/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm
53187f3f166aa6e5a500b106d6bff69c 7.3/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm
1eca60a3b18951dc74a0d4e59eafea69 8.0/en/os/SRPMS/kernel-2.4.18-27.8.0.src.rpm
097df4f27af2703a8332d136b6a87db4 8.0/en/os/athlon/kernel-2.4.18-27.8.0.athlon.rpm
5ecb81df3091f5fec327d789643b973d 8.0/en/os/athlon/kernel-smp-2.4.18-27.8.0.athlon.rpm
05152635e760b2f15b21e343da99ddf4 8.0/en/os/i386/kernel-2.4.18-27.8.0.i386.rpm
2c737942e4ea911d58b87fcc5a22eece 8.0/en/os/i386/kernel-BOOT-2.4.18-27.8.0.i386.rpm
0d45350f1bc10a45698ca517b2683869 8.0/en/os/i386/kernel-doc-2.4.18-27.8.0.i386.rpm
6db233f9749ca25b3fff2073aa0afaea 8.0/en/os/i386/kernel-source-2.4.18-27.8.0.i386.rpm
c6f8aba34d85c7447ab4c2c1ab90e7f2 8.0/en/os/i586/kernel-2.4.18-27.8.0.i586.rpm
80d3cff38bd8d535bbe239a5958730af 8.0/en/os/i586/kernel-smp-2.4.18-27.8.0.i586.rpm
4c0fc846e4faeab3e2e1b966aa65d945 8.0/en/os/i686/kernel-2.4.18-27.8.0.i686.rpm
d138caa438cc87fc6835da69626a1602 8.0/en/os/i686/kernel-bigmem-2.4.18-27.8.0.i686.rpm
ad41c60b306912c33a4b050511eec08c 8.0/en/os/i686/kernel-debug-2.4.18-27.8.0.i686.rpm
c5e17489cee52cd526ebac66604a22ba 8.0/en/os/i686/kernel-smp-2.4.18-27.8.0.i686.rpm
These packages are GPG signed by Red Hat, Inc. for security. Our key
is available at http://www.redhat.com/about/contact/pgpkey.html
You can verify each package with the following command:
rpm --checksig -v <filename>
If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
md5sum <filename>
7. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0127
8. Contact:
The Red Hat security contact is <security@redhat.com>. More contact
details at http://www.redhat.com/solutions/security/news/contact.html
Copyright 2003 Red Hat, Inc.
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