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Last updated: 5/24/2015 9:32:45 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-3982

Original release date: 10/04/2011
Last revised: 05/14/2012


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.1 (LOW) (AV:L/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: AIXAPAR
Name: IZ94675
External Source: AIXAPAR
Name: IZ94383
External Source: AIXAPAR
Name: IZ94593
External Source: VUPEN
Name: ADV-2011-0275
Type: Advisory
External Source: XF
Name: ibm-aix-fibre-channel-dos(67292)
External Source: AIXAPAR
Name: IZ96761
External Source: AIXAPAR
Name: IZ94222
External Source: VUPEN
Name: ADV-2011-0691
Type: Advisory

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/o:ibm:aix:6.1
* cpe:/o:ibm:aix:7.1

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)