CVE-2011-3982
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…
Does this matter?
Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 2.1 LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- ibm/aix
- Source
- cve@mitre.org
References
- 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
- http://www.vupen.com/english/advisories/2011/0275Vendor Advisory
- http://www.vupen.com/english/advisories/2011/0691Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67292
- 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
- http://www.vupen.com/english/advisories/2011/0275Vendor Advisory
- http://www.vupen.com/english/advisories/2011/0691Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67292
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.