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CVE-2012-5514

Status Candidate

Overview

The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors.

Related Files

Gentoo Linux Security Advisory 201309-24
Posted Sep 27, 2013
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201309-24 - Multiple vulnerabilities have been found in Xen, allowing attackers on a Xen Virtual Machine to execute arbitrary code, cause Denial of Service, or gain access to data on the host. Versions less than 4.2.2-r1 are affected.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2011-2901, CVE-2011-3262, CVE-2011-3262, CVE-2012-0217, CVE-2012-0218, CVE-2012-2934, CVE-2012-3432, CVE-2012-3433, CVE-2012-3494, CVE-2012-3495, CVE-2012-3496, CVE-2012-3497, CVE-2012-3498, CVE-2012-3515, CVE-2012-4411, CVE-2012-4535, CVE-2012-4536, CVE-2012-4537, CVE-2012-4538, CVE-2012-4539, CVE-2012-5510, CVE-2012-5511, CVE-2012-5512, CVE-2012-5513, CVE-2012-5514, CVE-2012-5515, CVE-2012-5525, CVE-2012-5634
SHA-256 | 42fbd346dc4e79100c814835fd5068ef0a6bd2ccc23977307e7f191f8be1cc22
Debian Security Advisory 2582-1
Posted Dec 7, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2582-1 - Multiple denial of service vulnerabilities have been discovered in the xen hypervisor. One of the issues (CVE-2012-5513) could even lead to privilege escalation from guest to host.

tags | advisory, denial of service, vulnerability
systems | linux, debian
advisories | CVE-2011-3131, CVE-2012-4535, CVE-2012-4537, CVE-2012-4538, CVE-2012-4539, CVE-2012-5510, CVE-2012-5513, CVE-2012-5514, CVE-2012-5515
SHA-256 | b1312d0fb2c22ab833dd73443d88403b729149ad1657106606fb476a56d90894
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