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Secunia Security Advisory 49625

Secunia Security Advisory 49625
Posted Jun 19, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Red Hat has issued an update for the kernel. This fixes multiple which can be exploited by malicious, local users in a guest virtual machine to cause a DoS (Denial of Service), by malicious, local users to cause a DoS (Denial of Service), potentially gain escalated privileges, and compromise a vulnerable system.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
MD5 | 53f13140b9ca861f7cbe8972cc724d55

Secunia Security Advisory 49625

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TITLE:
Red Hat update for kernel

SECUNIA ADVISORY ID:
SA49625

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49625/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49625

RELEASE DATE:
2012-06-19

DISCUSS ADVISORY:
http://secunia.com/advisories/49625/#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/49625/

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=49625

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:
Red Hat has issued an update for the kernel. This fixes multiple
which can be exploited by malicious, local users in a guest virtual
machine to cause a DoS (Denial of Service), by malicious, local users
to cause a DoS (Denial of Service), potentially gain escalated
privileges, and compromise a vulnerable system.

For more information:
SA47486
SA48404
SA48852
SA49187
SA49325

1) An error in the "setup_routing_entry()" function in the KVM
subsystem when handling Message Signaled Interrupts (MSI) routing
entries can be exploited to cause a buffer overflow.

Successful exploitation of this vulnerability may allow execution of
arbitrary code.

SOLUTION:
Updated packages are available via Red Hat Network.

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

ORIGINAL ADVISORY:
RHSA-2012:0743-1:
https://rhn.redhat.com/errata/RHSA-2012-0743.html

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/

----------------------------------------------------------------------

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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