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CVE Database

CVE-2011-1583

Impact: Important
Public: 2011-05-09
Bugzilla: 696927: CVE-2011-1583 CVE-2011-3262 xen: insufficiencies in pv kernel image validation

Details

The MITRE CVE dictionary describes this issue as:

Multiple integer overflows in tools/libxc/xc_dom_bzimageloader.c in Xen 3.2, 3.3, 4.0, and 4.1 allow local users to cause a denial of service and possibly execute arbitrary code via a crafted paravirtualised guest kernel image that triggers (1) a buffer overflow during a decompression loop or (2) an out-of-bounds read in the loader involving unspecified length fields.

Find out more about CVE-2011-1583 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue did not affect the versions of the Xen package as shipped with Red Hat Enterprise Linux 4 and 6. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-0496.html.

CVSS v2 metrics

Base Score: 6.0
Base Metrics: AV:L/AC:H/Au:S/C:C/I:C/A:C
Access Vector: Local
Access Complexity: High
Authentication: Single Instance
Confidentiality Impact: Complete
Integrity Impact: Complete
Availability Impact: Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
RHEL Desktop Multi OS version 5 (xen) RHSA-2011:0496 May 09, 2011
Red Hat Enterprise Linux version 5 (xen) RHSA-2011:0496 May 09, 2011

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.