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Last updated: 9/22/2014 4:16:46 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2009-1758

Original release date: 05/22/2009
Last revised: 08/21/2010
Source: US-CERT/NIST

Overview

The hypervisor_callback function in Xen, possibly before 3.4.0, as applied to the Linux kernel 2.6.30-rc4, 2.6.18, and probably other versions allows guest user applications to cause a denial of service (kernel oops) of the guest OS by triggering a segmentation fault in "certain address ranges."

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low

**NOTE: Access Complexity scored Low due to insufficient information

Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/10/2009)
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, and Red Hat Enterprise MRG. It was addressed in Red Hat Enterprise Linux 4 and 5 via https://rhn.redhat.com/errata/RHSA-2009-1132.html and https://rhn.redhat.com/errata/RHSA-2009-1106.html .

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External Source: DEBIAN
Name: DSA-1809
External Source: MLIST
Name: [Xen-devel] 20090513 [PATCH] linux/i386: hypervisor_callback adjustments
External Source: BID
Name: 34957
External Source: SECUNIA
Name: 35298
External Source: SECUNIA
Name: 35093
External Source: OVAL
Name: oval:org.mitre.oval:def:10313
External Source: MLIST
Name: [oss-security] 20090514 CVE Request: XEN local denial of service

References to Check Content

Identifier: oval:org.mitre.oval:def:10313
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)