CVE-2012-2121
CVE-2012-2121
The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.
Productos afectados
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Hablar con TrueHacking →Referencias
http://rhn.redhat.com/errata/RHSA-2012-0676.htmlhttp://rhn.redhat.com/errata/RHSA-2012-0743.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=814149http://secunia.com/advisories/50732https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4http://www.openwall.com/lists/oss-security/2012/04/19/16http://www.securitytracker.com/id?1027083http://www.ubuntu.com/usn/USN-1577-1http://www.ubuntu.com/usn/USN-2036-1http://www.ubuntu.com/usn/USN-2037-1