CVE-2012-4544

Published: 31 October 2012

The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk.

Notes

Author	Note
kees	for full-virtualization issues, add qemu (and kvm)

Priority

Status

Package	Release	Status
xen Launchpad, Ubuntu, Debian	hardy	Does not exist
	lucid	Does not exist
	oneiric	Released (4.1.1-2ubuntu4.3)
	precise	Released (4.1.2-2ubuntu2.3)
	quantal	Released (4.1.3-3ubuntu1.1)
	raring	Released (4.2.0-1ubuntu2)
	saucy	Released (4.2.0-1ubuntu2)
	upstream	Needed
	Patches: upstream: http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=127c78b8b7615b2e895a879792f4b0b825a02a81
	Binaries built from this source package are in Universe and so are supported by the community.
xen-3.1 Launchpad, Ubuntu, Debian	hardy	Ignored (end of life)
	lucid	Does not exist
	oneiric	Does not exist
	precise	Does not exist
	quantal	Does not exist
	raring	Does not exist
	saucy	Does not exist
	upstream	Needed
	Patches: upstream: http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=127c78b8b7615b2e895a879792f4b0b825a02a81
	Binaries built from this source package are in Universe and so are supported by the community.
xen-3.2 Launchpad, Ubuntu, Debian	hardy	Ignored (end of life)
	lucid	Does not exist
	oneiric	Does not exist
	precise	Does not exist
	quantal	Does not exist
	raring	Does not exist
	saucy	Does not exist
	upstream	Needed
	Patches: upstream: http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=127c78b8b7615b2e895a879792f4b0b825a02a81
	Binaries built from this source package are in Universe and so are supported by the community.
xen-3.3 Launchpad, Ubuntu, Debian	hardy	Does not exist
	lucid	Ignored (end of life)
	oneiric	Does not exist
	precise	Does not exist
	quantal	Does not exist
	raring	Does not exist
	saucy	Does not exist
	upstream	Needed
	Patches: upstream: http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=127c78b8b7615b2e895a879792f4b0b825a02a81
	Binaries built from this source package are in Universe and so are supported by the community.

References

Bugs

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=688125

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