CVE-2011-3131

    Dashboard / Vulnerabilities / CVE-2011-3131

    CVE-2011-3131

    Published: 13 Dec 2012Last Modified: 10 Apr 2026

    Summary:

    Details: Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.

    References: http://secunia.com/advisories/45622, http://secunia.com/advisories/51468, http://www.debian.org/security/2012/dsa-2582, http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg/rev/84e3706df07a, http://old-list-archives.xen.org/archives/html/xen-devel/2011-06/msg01106.html, http://old-list-archives.xen.org/archives/html/xen-devel/2011-08/msg00450.html, http://www.securityfocus.com/bid/49146

    Affected packages

    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