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CVE-2012-2625

Status Candidate

Overview

The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and 4.1.x allows local para-virtualized guest users to cause a denial of service (memory consumption) via a large (1) bzip2 or (2) lzma compressed kernel image.

Related Files

Red Hat Security Advisory 2012-1130-01
Posted Jul 31, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1130-01 - The xen packages contain administration tools and the xend service for managing the kernel-xen kernel for virtualization on Red Hat Enterprise Linux. A flaw was found in the way the pyGrub boot loader handled compressed kernel images. A privileged guest user in a para-virtualized guest could use this flaw to create a crafted kernel image that, when attempting to boot it, could result in an out-of-memory condition in the privileged domain.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2012-2625
MD5 | 10bf57d7a33acd87fbb2df4474f87997
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