Thursday, February 21, 2008

Kernel Upgrade

I've done the following (copy/paste):

root@slackbox:~/kernel-patches# ls
kernel-generic-2.6.21.5-i486-2_slack12.0.tgz
kernel-generic-smp-2.6.21.5_smp-i686-2_slack12.0.tgz
kernel-huge-2.6.21.5-i486-2_slack12.0.tgz
kernel-huge-smp-2.6.21.5_smp-i686-2_slack12.0.tgz
root@slackbox:~/kernel-patches# md5sum kernel-*
ebf025aa30af925ac6817fe58811e921 kernel-generic-2.6.21.5-i486-2_slack12.0.tgz
e35c66f2d765a221b509f1b7b463c9fe kernel-generic-smp-2.6.21.5_smp-i686-2_slack12.0.tgz
3f9e3783dd7d799a277ec3e79e8bb82d kernel-huge-2.6.21.5-i486-2_slack12.0.tgz
0503193191731bba693ed6ce35b8c26d kernel-huge-smp-2.6.21.5_smp-i686-2_slack12.0.tgz
root@slackbox:~/kernel-patches#
root@slackbox:~/kernel-patches#
root@slackbox:~/kernel-patches#
root@slackbox:~/kernel-patches# upgradepkg kernel-generic-2.6.21.5-i486-2_slack12.0.tgz

+==============================================================================
| Upgrading kernel-generic-2.6.21.5-i486-2 package using ./kernel-generic-2.6.21.5-i486-2_slack12.0.tgz
+==============================================================================

Pre-installing package kernel-generic-2.6.21.5-i486-2_slack12.0...

Removing package /var/log/packages/kernel-generic-2.6.21.5-i486-2-upgraded-2008-02-21,19:59:56...

Installing package kernel-generic-2.6.21.5-i486-2_slack12.0...
PACKAGE DESCRIPTION:
kernel-generic: kernel-generic (a general purpose single processor Linux kernel)
kernel-generic:
kernel-generic: This is a Linux kernel with built-in support for most IDE controllers.
kernel-generic: For filesystem support, or if you need to load support for a SCSI or
kernel-generic: other controller, then you'll need to load one or more kernel modules
kernel-generic: using an initial ramdisk, or initrd. For more information about
kernel-generic: creating an initrd, see the README.initrd file in the /boot directory.
kernel-generic:
Executing install script for kernel-generic-2.6.21.5-i486-2_slack12.0...

Package kernel-generic-2.6.21.5-i486-2 upgraded with new package ./kernel-generic-2.6.21.5-i486-2_slack12.0.tgz.

root@slackbox:~/kernel-patches# upgradepkg kernel-generic-smp-2.6.21.5_smp-i686-2_slack12.0.tgz

+==============================================================================
| Upgrading kernel-generic-smp-2.6.21.5_smp-i686-2 package using ./kernel-generic-smp-2.6.21.5_smp-i686-2_slack12.0.tgz
+==============================================================================

Pre-installing package kernel-generic-smp-2.6.21.5_smp-i686-2_slack12.0...

Removing package /var/log/packages/kernel-generic-smp-2.6.21.5_smp-i686-2-upgraded-2008-02-21,20:01:00...

Installing package kernel-generic-smp-2.6.21.5_smp-i686-2_slack12.0...
PACKAGE DESCRIPTION:
kernel-generic-smp: kernel-generic-smp (a general purpose SMP Linux kernel)
kernel-generic-smp:
kernel-generic-smp: This is a Linux kernel with built-in support for most disk
kernel-generic-smp: controllers. To use filesystems, or to load support for a SCSI or
kernel-generic-smp: other controller, then you'll need to load one or more kernel
kernel-generic-smp: modules using an initial ramdisk, or initrd. For more information
kernel-generic-smp: about creating an initrd, see the README.initrd file in the /boot
kernel-generic-smp: directory.
kernel-generic-smp:
kernel-generic-smp: SMP is "Symmetric multiprocessing", or multiple CPU/core support.
kernel-generic-smp:
Executing install script for kernel-generic-smp-2.6.21.5_smp-i686-2_slack12.0...

Package kernel-generic-smp-2.6.21.5_smp-i686-2 upgraded with new package ./kernel-generic-smp-2.6.21.5_smp-i686-2_slack12.0.tgz.

root@slackbox:~/kernel-patches# upgradepkg kernel-huge-2.6.21.5-i486-2_slack12.0.tgz

+==============================================================================
| Upgrading kernel-huge-2.6.21.5-i486-2 package using ./kernel-huge-2.6.21.5-i486-2_slack12.0.tgz
+==============================================================================

Pre-installing package kernel-huge-2.6.21.5-i486-2_slack12.0...

Removing package /var/log/packages/kernel-huge-2.6.21.5-i486-2-upgraded-2008-02-21,20:01:34...

Installing package kernel-huge-2.6.21.5-i486-2_slack12.0...
PACKAGE DESCRIPTION:
kernel-huge: kernel-huge (a fully-loaded single processor Linux kernel)
kernel-huge:
kernel-huge: This is a Linux kernel with built-in support for most disk controllers
kernel-huge: and filesystems. If you're looking for a more stripped down kernel
kernel-huge: (this one contains everything but the kitchen sink ;-), then install
kernel-huge: the kernel-generic from the /boot directory along with an initrd to
kernel-huge: load support for your boot device and filesystem. For instructions
kernel-huge: on the initrd, see README.initrd in the /boot directory.
kernel-huge:
Executing install script for kernel-huge-2.6.21.5-i486-2_slack12.0...

Package kernel-huge-2.6.21.5-i486-2 upgraded with new package ./kernel-huge-2.6.21.5-i486-2_slack12.0.tgz.

root@slackbox:~/kernel-patches# upgradepkg kernel-huge-smp-2.6.21.5_smp-i686-2_slack12.0.tgz

+==============================================================================
| Upgrading kernel-huge-smp-2.6.21.5_smp-i686-2 package using ./kernel-huge-smp-2.6.21.5_smp-i686-2_slack12.0.tgz
+==============================================================================

Pre-installing package kernel-huge-smp-2.6.21.5_smp-i686-2_slack12.0...

Removing package /var/log/packages/kernel-huge-smp-2.6.21.5_smp-i686-2-upgraded-2008-02-21,20:02:13...

Installing package kernel-huge-smp-2.6.21.5_smp-i686-2_slack12.0...
PACKAGE DESCRIPTION:
kernel-huge-smp: kernel-huge-smp (a fully-loaded SMP Linux kernel)
kernel-huge-smp:
kernel-huge-smp: This is a Linux kernel with built-in support for most disk
kernel-huge-smp: controllers. If you're looking for a more stripped down kernel
kernel-huge-smp: (this one contains everything but the kitchen sink ;-), then install
kernel-huge-smp: the kernel-generic-smp in the /boot directory along with an initrd to
kernel-huge-smp: load support for your boot device and filesystem. For instructions
kernel-huge-smp: on the initrd, see README.initrd in the /boot directory.
kernel-huge-smp:
kernel-huge-smp: SMP is "Symmetric multiprocessing", or multiple CPU/core support.
kernel-huge-smp:
Executing install script for kernel-huge-smp-2.6.21.5_smp-i686-2_slack12.0...

Package kernel-huge-smp-2.6.21.5_smp-i686-2 upgraded with new package ./kernel-huge-smp-2.6.21.5_smp-i686-2_slack12.0.tgz.

root@slackbox:~/kernel-patches#

root@slackbox:~/kernel-patches# lilo
Fatal: VolumeID read error: sector 0 of /dev/sda not readable

OUCH!

I read this: http://unixadmintalk.com/f11/lilo-fails-dev-sda-not-readable-65533/

It appears to help:

root@slackbox:~/kernel-patches# lilo
Warning: bypassing VolumeID scan of drive flagged INACCESSIBLE: /dev/sda
Warning: The boot sector and map file are on different disks.
Added Windows *
Added Linux
2 warnings were issued.

Will reboot then test to see if this upgraded kernel is still vulnerable...
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