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xen xen 4.4.2 vulnerabilities and exploits

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590
VMScore

CVE-2015-7812

The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x up to and including 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.
Xen Xen 4.4.0Xen Xen 4.4.1Xen Xen 4.4.2Xen Xen 4.4.3Xen Xen 4.5.0Xen Xen 4.5.1Xen Xen 4.5.2Xen Xen 4.6.0
660
VMScore

CVE-2016-5242

The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x up to and including 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them,...
Xen Xen 4.4.0Xen Xen 4.4.1Xen Xen 4.4.2Xen Xen 4.4.3Xen Xen 4.4.4Xen Xen 4.5.0Xen Xen 4.5.1Xen Xen 4.5.2Xen Xen 4.5.3Xen Xen 4.6.0Xen Xen 4.6.1
960
VMScore

CVE-2015-8555

Xen 4.6.x, 4.5.x, 4.4.x, 4.3.x, and previous versions do not initialize x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state, which allows local guest domains to obtain sensitive information from other domains via unspecified vect...
Citrix Xenserver 6.0Xen Xen 4.3.0Xen Xen 4.3.1Xen Xen 4.3.2Xen Xen 4.3.3Xen Xen 4.3.4Xen Xen 4.4.0Xen Xen 4.4.1Xen Xen 4.4.2Xen Xen 4.4.3Xen Xen 4.4.4Xen Xen 4.5.0
780
VMScore

CVE-2015-3259

Stack-based buffer overflow in the xl command line utility in Xen 4.1.x up to and including 4.5.x allows local guest administrators to gain privileges via a long configuration argument.
Xen Xen 4.1.0Xen Xen 4.1.1Xen Xen 4.1.2Xen Xen 4.1.3Xen Xen 4.1.4Xen Xen 4.1.5Xen Xen 4.1.6.1Xen Xen 4.2.0Xen Xen 4.2.1Xen Xen 4.2.2Xen Xen 4.2.3Xen Xen 4.3.0
770
VMScore

CVE-2016-4962

The libxl device-handling in Xen 4.6.x and previous versions allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore.
Oracle Vm Server 3.3Oracle Vm Server 3.4Xen Xen 4.3.0Xen Xen 4.3.1Xen Xen 4.3.2Xen Xen 4.3.3Xen Xen 4.3.4Xen Xen 4.4.0Xen Xen 4.4.1Xen Xen 4.4.2Xen Xen 4.4.3Xen Xen 4.4.4
880
VMScore

CVE-2015-8341

The libxl toolstack library in Xen 4.1.x up to and including 4.6.x does not properly release mappings of files used as kernels and initial ramdisks when managing multiple domains in the same process, which allows malicious users to cause a denial of service (memory and disk consu...
Xen Xen 4.1.0Xen Xen 4.1.1Xen Xen 4.1.2Xen Xen 4.1.3Xen Xen 4.1.4Xen Xen 4.1.5Xen Xen 4.1.6Xen Xen 4.1.6.1Xen Xen 4.2.0Xen Xen 4.2.1Xen Xen 4.2.2Xen Xen 4.2.3
700
VMScore

CVE-2017-15596

An issue exists in Xen 4.4.x up to and including 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap error.
Xen Xen 4.4.0Xen Xen 4.4.1Xen Xen 4.4.2Xen Xen 4.4.3Xen Xen 4.4.4Xen Xen 4.5.0Xen Xen 4.5.1Xen Xen 4.5.2Xen Xen 4.5.3Xen Xen 4.5.4Xen Xen 4.5.5Xen Xen 4.6.0
950
VMScore

CVE-2016-1570

The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x up to and including 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the...
Xen Xen 3.4.0Xen Xen 3.4.1Xen Xen 4.1.0Xen Xen 4.1.1Xen Xen 4.1.2Xen Xen 4.1.3Xen Xen 4.1.4Xen Xen 4.1.5Xen Xen 4.1.6Xen Xen 4.1.6.1Xen Xen 4.2.0Xen Xen 4.2.1
730
VMScore

CVE-2016-1571

The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x up to and including 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID...
Citrix XenserverXen Xen 3.3.0Xen Xen 3.3.1Xen Xen 3.3.2Xen Xen 3.4.0Xen Xen 3.4.1Xen Xen 3.4.2Xen Xen 3.4.3Xen Xen 3.4.4Xen Xen 4.1.0Xen Xen 4.1.1Xen Xen 4.1.2
570
VMScore

CVE-2016-4963

The libxl device-handling in Xen up to and including 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore.
Xen Xen 4.0.0Xen Xen 4.0.1Xen Xen 4.0.2Xen Xen 4.0.3Xen Xen 4.0.4Xen Xen 4.1.0Xen Xen 4.1.1Xen Xen 4.1.2Xen Xen 4.1.3Xen Xen 4.1.4Xen Xen 4.1.5Xen Xen 4.1.6
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Recommendations:
viasatdoscross-site request forgeryteconcethemeCVE-2025-1565CVE-2025-28076firmwarez2dweb serverCVE-2025-2070CVE-2025-3645CVE-2025-31324CVE-2024-6235
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