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    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.

    Published:Oct 5, 2011
    Last Modified:Apr 11, 2025
    EPS:Oct 5, 2011
    EPSS Score:0.00069
    CVSS Score:2.1

    Affected Products

    Vendor
    Ibm
    Product
    Aix

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-19449 (CVSS 8.8) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 has a vulnerability in cmdnim that may allow an unprivileged loc…
    CVE-2026-19448 (CVSS 6.5) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec …
    CVE-2026-19446 (CVSS 7.5) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 allows a remote unauthenticated attacker can send a crafted UDP …
    CVE-2026-19442 (CVSS 8.2) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 has a pointer validation flaw exists in the AIX Virtual SCSI (vS…
    CVE-2026-19437 (CVSS 8.1) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a…
    CVE-2026-18835 (CVSS 9.9) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote authenticated attacker to execute arbitrary…
    CVE-2026-18840 (CVSS 8.2) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to execute arbitrary code due to im…
    CVE-2026-18842 (CVSS 8.4) — IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated privileges due to …

    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/2011/0275
    http://www.vupen.com/english/advisories/2011/0691
    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/2011/0275
    http://www.vupen.com/english/advisories/2011/0691
    https://exchange.xforce.ibmcloud.com/vulnerabilities/67292

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High