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    CVE-2021-3582

    A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a "PVRDMA_CMD_CREATE_MR" command due to improper memory remapping (mremap). This flaw allows a malicious guest to crash the QEMU process on the host. The highest threat from this vulnerability is to system availability.

    Published:Jun 16, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 25, 2022
    EPSS Score:0.00117
    CVSS Score:6.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Qemu
    Product
    Qemu

    Exploits

    https://bugzilla.redhat.com/show_bug.cgi?id=1966266https://bugzilla.redhat.com/show_bug.cgi?id=1966266

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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