Vulnerability Details : 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 deadlock in timer processing across CPUs.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2011-3982
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-3982
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST |
CWE ids for CVE-2011-3982
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Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-3982
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http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94383
IBM notice: The page you requested cannot be displayed
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http://www.vupen.com/english/advisories/2011/0275
Webmail | OVH- OVHVendor Advisory
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http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94222
IBM notice: The page you requested cannot be displayed
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http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94675
IBM IZ94675: QLOGIC PENDING Q TIMER HANG VULNERABILITY APPLIES TO AIX 6100-06
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http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94593
IBM IZ94593: QLOGIC PENDING Q TIMER HANG VULNERABILITY APPLIES TO AIX 7100-00
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https://exchange.xforce.ibmcloud.com/vulnerabilities/67292
IBM AIX Fibre Channel denial of service CVE-2011-3982 Vulnerability Report
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http://www.vupen.com/english/advisories/2011/0691
Webmail | OVH- OVHVendor Advisory
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http://www-01.ibm.com/support/docview.wss?uid=isg1IZ96761
IBM notice: The page you requested cannot be displayed
Products affected by CVE-2011-3982
- cpe:2.3:o:ibm:aix:6.1:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:aix:7.1:*:*:*:*:*:*:*