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    CVE-2018-19961

    An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes.

    Published:Nov 20, 2018
    Last Modified:Nov 21, 2024
    EPS:Dec 8, 2018
    EPSS Score:0.00192
    CVSS Score:7.8

    Affected Products

    Vendor
    Citrix
    Product
    Xenserver
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Xen
    Product
    Xen

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-168 Windows ::DATA Alternate Data Stream

    Related CVEs

    CVE-2024-5661 (CVSS 6) — An issue has been identified in both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR which may allow a maliciou…
    CVE-2012-4606 (CVSS 7.8) — Citrix XenServer 4.1, 6.0, 5.6 SP2, 5.6 Feature Pack 1, 5.6 Common Criteria, 5.6, 5.5, 5.0, and 5.0 Update 3 c…
    CVE-2014-3798 (CVSS 6.5) — The Windows Guest Tools in Citrix XenServer 6.2 SP1 and earlier allows remote attackers to cause a denial of s…
    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-2018-19965 (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 (…
    CVE-2018-14007 (CVSS 9.8) — Citrix XenServer 7.1 and newer allows Directory Traversal.…
    CVE-2018-11053 (CVSS 6.5) — Dell EMC iDRAC Service Module for all supported Linux and XenServer versions v3.0.1, v3.0.2, v3.1.0, v3.2.0, w…
    CVE-2018-3665 (CVSS 5.6) — System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors ma…
    CVE-2018-8897 (CVSS 7.8) — A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures Software Developer's Manua…
    CVE-2017-12135 (CVSS 8.8) — Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information …

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
    http://www.securityfocus.com/bid/106182
    https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
    https://support.citrix.com/article/CTX239432
    https://www.debian.org/security/2019/dsa-4369
    https://xenbits.xen.org/xsa/advisory-275.html
    http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
    http://www.securityfocus.com/bid/106182
    https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
    https://support.citrix.com/article/CTX239432
    https://www.debian.org/security/2019/dsa-4369
    https://xenbits.xen.org/xsa/advisory-275.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