Remote Denial of Service Vulnerability in Red Hat Linux Kernel VLAN Packet Handling

Release date:
Updated on: 2011-08-02

Affected Systems:
RedHat Enterprise Virtualization Hypervisor
RedHat Enterprise Linux 5 server
RedHat Red Hat Enterprise Linux Desktop 5 client
OpenVZ Project OpenVZ 028stab091. 1
OpenVZ Project OpenVZ 028stab089. 1
OpenVZ Project OpenVZ 028stab085. 2
OpenVZ Project OpenVZ 028stab081. 1
OpenVZ Project OpenVZ 023stab054. 1
OpenVZ Project OpenVZ 023stab053. 2
Unaffected system:
OpenVZ Project OpenVZ 028stab092. 2
Description:
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Bugtraq id: 48907
Cve id: CVE-2011-1576

Linux Kernel is the Kernel of the Linux operating system.

Linux Kernel has a remote denial of service vulnerability in the implementation of processing VLAN packets. Remote attackers can exploit this vulnerability to cause Kernel crash and DoS attacks to legitimate users.

<* Source: Ryan Sweat

Link: https://bugzilla.redhat.com/show_bug.cgi? Id = 695173
*>

Suggestion:
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Vendor patch:

RedHat
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The vendor has released a patch to fix this security problem. Please download it from the vendor's homepage:

Http://www.redhat.com/apps/support/errata/index.html