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Home » Hacking News » RHSA-2002:158-09-New kernel update available, fixes i810 video oops

RHSA-2002:158-09-New kernel update available, fixes i810 video oops

by Nikola Strahija on August 21st, 2002 Updated kernel packages are now available which fix an oops in the i810 3D kernel code. This kernel update also fixes a difficult to trigger race in the dcache (filesystem cache) code, as well as some potential security holes, although we are not currently aware of any exploits.

2. Relevant releases/architectures:

Red Hat Linux 7.3 - athlon, i386, i586, i686

3. Problem description:

The 2.4.18-5 kernel introduced some safety checks in the VM subsystem that
were triggered when exiting an X session while using 3D acceleration with
the Intel i810/i815 chipset. Additionally, there was a difficult to trigger
race in the dcache of the file system subsystem.

This kernel update addresses both of these issues.

In addition, there are fixes for potential security holes in the following


Finally, this kernel fixes a few files in the /proc file system which had
the capability to expose kernel memory when abused.

All of the security issues found during an audit and none of them, at the
time of this writing, have any known exploits.

We would like to thank Silvio Cesare, Stas Sergeev, Andi Kleen, Solar
Designer, and others for their auditing work.

4. Solution:

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

The procedure for upgrading the kernel manually is documented at:

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:


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 7.3:






6. Verification:

MD5 sum Package Name
4473420c7f9bf2b9c83e6c1ec69f597f 7.3/en/os/SRPMS/kernel-2.4.18-10.src.rpm
1b836ea01aa4aef62cc3c185e8547952 7.3/en/os/athlon/kernel-2.4.18-10.athlon.rpm
b2bacd0954832353ecddb507f087b338 7.3/en/os/i386/kernel-2.4.18-10.i386.rpm
d105a7cc4d3e21bc9c5ace02f0b0152e 7.3/en/os/i386/kernel-BOOT-2.4.18-10.i386.rpm
91a1978068ee80c53a7500d4486b66e4 7.3/en/os/i386/kernel-doc-2.4.18-10.i386.rpm
2cd340835d9acb309ccd61cb7581fc2d 7.3/en/os/i586/kernel-2.4.18-10.i586.rpm
a0925e2445b68abe21225a4d3842c1a2 7.3/en/os/i586/kernel-smp-2.4.18-10.i586.rpm
32b3df55a27018ea85cf8ebcad6186dd 7.3/en/os/i686/kernel-2.4.18-10.i686.rpm
2c3ac524c7da4188905a28a37acd8afd 7.3/en/os/i686/kernel-debug-2.4.18-10.i686.rpm
51ba272488114c3b61d7c0fdc63ee04b 7.3/en/os/i686/kernel-smp-2.4.18-10.i686.rpm

These packages are GPG signed by Red Hat, Inc. for security. Our key
is available at:

You can verify each package with the following command:
rpm --checksig

If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
rpm --checksig --nogpg

7. References:

Copyright(c) 2000, 2001, 2002 Red Hat, Inc.

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