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| ID de Prueba: | 1.3.6.1.4.1.25623.1.0.69640 |
| Categoría: | Red Hat Local Security Checks |
| Título: | RedHat Security Advisory RHSA-2011:0496 |
| Resumen: | NOSUMMARY |
| Descripción: | Description: The remote host is missing updates announced in advisory RHSA-2011:0496. The xen packages contain administration tools and the xend service for managing the kernel-xen kernel for virtualization on Red Hat Enterprise Linux. It was found that the xc_try_bzip2_decode() and xc_try_lzma_decode() decode routines did not correctly check for a possible buffer size overflow in the decoding loop. As well, several integer overflow flaws and missing error/range checking were found that could lead to an infinite loop. A privileged guest user could use these flaws to crash the guest or, possibly, execute arbitrary code in the privileged management domain (Dom0). (CVE-2011-1583) All xen users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. The system must be rebooted for this update to take effect. Solution: Please note that this update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date http://rhn.redhat.com/errata/RHSA-2011-0496.html Risk factor : High CVSS Score: 6.9 |
| Referencia Cruzada: |
Common Vulnerability Exposure (CVE) ID: CVE-2011-1583 RHSA-2011:0496 http://rhn.redhat.com/errata/RHSA-2011-0496.html [Xen-devel] 20110509 Re: Xen security advisory CVE-2011-1583 - pv kernel image validation http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00491.html [Xen-devel] 20110509 Xen security advisory CVE-2011-1583 - pv kernel image validation http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00483.html |
| Copyright | Copyright (c) 2011 E-Soft Inc. http://www.securityspace.com |
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