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Secunia Security Advisory 45862

Posted on 02 September 2011
Source : packetstormsecurity.org Link

 

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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:
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Secunia NEVER sends attached files with advisories.
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