First published: Wed Oct 05 2011(Updated: )
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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
IBM AIX | =7.1 | |
IBM AIX | =6.1 |
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
CVE-2011-3982 has a severity rating of medium, as it may lead to a denial of service through system hangs.
To fix CVE-2011-3982, apply the latest patches provided by IBM for AIX versions 6.1 and 7.1.
CVE-2011-3982 affects IBM AIX operating systems versions 6.1 and 7.1.
CVE-2011-3982 is a denial of service vulnerability due to improper handling of DMA resource limitations.
CVE-2011-3982 requires local user access to be exploited, making it a local denial of service vulnerability.