CVE-2011-3982 Information

Description

The Fibre Channel driver for QLogic adapters in IBM AIX 6.1 and 7.1 does not properly handle DMA resource limitations which allows local users to cause a denial of service (system hang) via vectors that generate a large amount of DMA I/O related to a deadlock in timer processing across CPUs.

Reference

http://www.vupen.com/english/advisories/2011/0275 http://www.vupen.com/english/advisories/2011/0691 http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94222 http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94383 http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94593 http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94675 http://www-01.ibm.com/support/docview.wss?uid=isg1IZ96761 https://exchange.xforce.ibmcloud.com/vulnerabilities/67292