CVE-2011-3982

IBM AIX 6.1 and 7.1 - Denial of Service via Fibre Channel Driver DMA Deadlock

Title source: llm
STIX 2.1

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.

References (8)

Core 8
Core References
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0691
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/67292
Various Sources vendor-advisory x_refsource_aixapar
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94675
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0275
Various Sources vendor-advisory x_refsource_aixapar
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94383
Various Sources vendor-advisory x_refsource_aixapar
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ96761
Various Sources vendor-advisory x_refsource_aixapar
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94222
Various Sources vendor-advisory x_refsource_aixapar
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94593

Scores

EPSS 0.0033
EPSS Percentile 25.1%

Details

CWE
CWE-399
Status published
Products (2)
ibm/aix 6.1
ibm/aix 7.1
Published Oct 05, 2011
Tracked Since Feb 18, 2026