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CVE-2011-1583

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

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 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

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6
Base Metrics AV:L/AC:H/Au:S/C:C/I:C/A:C
Access Vector Local
Access Complexity High
Authentication Single
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
Red Hat Enterprise Linux 5 (xen) RHSA-2011:0496 2011-05-09
Red Hat Enterprise Linux Virtualization 5 (xen) RHSA-2011:0496 2011-05-09

Affected Packages State

Platform Package State
Red Hat Enterprise Linux Virtualization 5 xen 3.0.3-120.el5_6.2 Fixed

Last Modified