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    CVE-2012-3516

    The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location.

    Published:Sep 5, 2012
    Last Modified:Apr 11, 2025
    EPS:Nov 23, 2012
    EPSS Score:0.00081
    CVSS Score:6.9

    Affected Products

    Vendor
    Citrix
    Product
    Xenserver
    Vendor
    Xen
    Product
    Xen

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2018-19962 (CVSS 7.8) — An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain h…
    CVE-2018-19961 (CVSS 7.8) — An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain h…
    CVE-2018-19965 (CVSS 5.6) — An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (…
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    CVE-2018-3665 (CVSS 5.6) — System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors ma…
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    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