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    CVE-2018-7540

    An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.

    Published:Feb 27, 2018
    Last Modified:Nov 21, 2024
    EPS:Feb 27, 2018
    EPSS Score:0.0009
    CVSS Score:6.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Xen
    Product
    Xen

    Exploits

    No exploit reference

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    References

    http://www.securityfocus.com/bid/103174
    http://www.securitytracker.com/id/1040773
    https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html
    https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
    https://security.gentoo.org/glsa/201810-06
    https://support.citrix.com/article/CTX232096
    https://support.citrix.com/article/CTX232655
    https://www.debian.org/security/2018/dsa-4131
    https://xenbits.xen.org/xsa/advisory-252.html
    http://www.securityfocus.com/bid/103174
    http://www.securitytracker.com/id/1040773
    https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html
    https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
    https://security.gentoo.org/glsa/201810-06
    https://support.citrix.com/article/CTX232096
    https://support.citrix.com/article/CTX232655
    https://www.debian.org/security/2018/dsa-4131
    https://xenbits.xen.org/xsa/advisory-252.html

    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