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CVE-2013-4494

Status Candidate

Overview

Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors.

Related Files

Debian Security Advisory 3006-1
Posted Aug 18, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3006-1 - Multiple security issues have been discovered in the Xen virtualisation solution which may result in information leaks or denial of service.

tags | advisory, denial of service
systems | linux, debian
advisories | CVE-2013-1432, CVE-2013-1442, CVE-2013-2076, CVE-2013-2077, CVE-2013-2078, CVE-2013-2194, CVE-2013-2195, CVE-2013-2196, CVE-2013-2211, CVE-2013-4329, CVE-2013-4355, CVE-2013-4361, CVE-2013-4368, CVE-2013-4494, CVE-2013-4553, CVE-2014-1950, CVE-2014-2599, CVE-2014-3124, CVE-2014-4021
SHA-256 | 022c7dacd6753366685e6693c5aeb3e32a9dce17c24badf0fc135994da1dfee0
Gentoo Linux Security Advisory 201407-03
Posted Jul 16, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201407-3 - Multiple vulnerabilities have been found in Xen, the worst of which could lead to arbitrary code execution. Versions less than 4.3.2-r4 are affected.

tags | advisory, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2013-1442, CVE-2013-4329, CVE-2013-4355, CVE-2013-4356, CVE-2013-4361, CVE-2013-4368, CVE-2013-4369, CVE-2013-4370, CVE-2013-4371, CVE-2013-4375, CVE-2013-4416, CVE-2013-4494, CVE-2013-4551, CVE-2013-4553, CVE-2013-4554, CVE-2013-6375, CVE-2013-6400, CVE-2013-6885, CVE-2014-1642, CVE-2014-1666, CVE-2014-1891, CVE-2014-1892, CVE-2014-1893, CVE-2014-1894, CVE-2014-1895, CVE-2014-1896, CVE-2014-2599, CVE-2014-3124
SHA-256 | 600ec9e94e030b36e7d0770eb003e8d183518912299983d949f22aba378524ac
Red Hat Security Advisory 2014-0108-01
Posted Jan 30, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0108-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. It was found that the Xen hypervisor did not always lock 'page_alloc_lock' and 'grant_table.lock' in the same order. This could potentially lead to a deadlock. A malicious guest administrator could use this flaw to cause a denial of service on the host.

tags | advisory, denial of service, kernel
systems | linux, redhat
advisories | CVE-2013-4494
SHA-256 | 8f46a6282e67a95809d58fc3a16c9ecccc57553d3af6f14af2ff8aeda8c5d557
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