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S-292: xen Security and Bug Fix Update

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Special Forums Cybersecurity Security Advisories (RSS) S-292: xen Security and Bug Fix Update
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Old 05-13-2008
S-292: xen Security and Bug Fix Update
There are several security issues in xen which could lead to the execution of arbitrary code. The risk is MEDIUM. A malicious local administrator of guest domain could trigger this flaw to potentially execute arbitrary code outside of the domain.


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update-bootloader

UPDATE-BOOTLOADER(1)					User Contributed Perl Documentation				      UPDATE-BOOTLOADER(1)

NAME

       update-bootloader - update/change bootloader configuration using
	   Bootloader::Tools perl module

SYNOPSIS

       update-bootloader [operation] [options]

       operation is one of --add, --remove or --refresh.

       valid options are --help, --man, --image <file>, --initrd <file>, --xen-kernel <file>, --xen, --default, --previous, --name <string>,
       --force, --force-default.

DESCRIPTION

       update-bootloader will let you modify your bootloader configuration using Bootloader::Tools perl module.

OPERATIONS

       --add   add an new image section.  Needs a call to --refresh to take effect.

       --remove
	       remove the specified image section.  Needs a call to --refresh to take effect.

       --refresh
	       activate the new config e.g. write boot loader to disk

PARAMETER

       --help  Print a brief help message and exits.

       --man   Prints the manual page and exits.

       --image file
	       specify path to kernel image

       --initrd file
	       specify path to initrd file

       --xen   specify that you what to add a xen and not a regular image section

       --xen-kernel file
	       specify that you what to add a xen section with a specific image.  Implies --xen option.

       --default
	       let the new section to be added be the default section if appropriate. Only allowed together with --add operation

       --previous
	       set some usuable defaults for image, initrd and name when

       --name string
	       specify the name of the section to be added/removed

       --force dont complain, just do the right thing

       --force-default
	       force the new section to be added to be the default section. Only allowed together with --add operation

perl v5.12.1							    2010-04-22						      UPDATE-BOOTLOADER(1)