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TITLE:
SUSE update for xen

SECUNIA ADVISORY ID:
SA45862

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45862/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45862

RELEASE DATE:
2011-09-02

DISCUSS ADVISORY:
http://secunia.com/advisories/45862/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/45862/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=45862

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
SUSE has issued an update for xen. This fixes two weaknesses, which
can be exploited by malicious, local users in a guest virtual machine
to cause a DoS (Denial of Service).

For more information:
SA45622

1) A weakness is caused due to an off-by-one error in the "x86_64
__addr_ok()" macro and can be exploited by malicious administrators
in a guest system to crash the host system.

SOLUTION:
Apply updated packages via the zypper package manager.

PROVIDED AND/OR DISCOVERED BY:
1) Disclosed in a Red Hat bug report.

ORIGINAL ADVISORY:
SUSE-SU-2011:0983-1:
https://hermes.opensuse.org/messages/11640481

Red Hat Bug #728042:
https://bugzilla.redhat.com/show_bug.cgi?id=728042

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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