CVSS: 5.5EPSS: 0%CPEs: 5EXPL: 0CVE-2012-4544 – xen: Xen domain builder Out-of-memory due to malicious kernel/ramdisk
https://notcve.org/view.php?id=CVE-2012-4544
31 Oct 2012 — The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk. El PV domain builder en Xen 4.2 y anteriores, no valida el tamaño del kernel o del ramdisk(1) antes o (2) después de la descompresión, lo que permite a administradores locales de los sistemas huésped provocar una denegación de servicio ... • http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091832.html • CWE-20: Improper Input Validation •
CVSS: 7.9EPSS: 88%CPEs: 20EXPL: 4CVE-2012-0217 – FreeBSD - Intel SYSRET Privilege Escalation
https://notcve.org/view.php?id=CVE-2012-0217
12 Jun 2012 — The x86-64 kernel system-call functionality in Xen 4.1.2 and earlier, as used in Citrix XenServer 6.0.2 and earlier and other products; Oracle Solaris 11 and earlier; illumos before r13724; Joyent SmartOS before 20120614T184600Z; FreeBSD before 9.0-RELEASE-p3; NetBSD 6.0 Beta and earlier; Microsoft Windows Server 2008 R2 and R2 SP1 and Windows 7 Gold and SP1; and possibly other operating systems, when running on an Intel processor, incorrectly uses the sysret path in cases where a certain address is not a c... • https://packetstorm.news/files/id/152001 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 8.6EPSS: 0%CPEs: 19EXPL: 0CVE-2010-4255 – xen: 64-bit PV xen guest can crash host by accessing hypervisor per-domain memory area
https://notcve.org/view.php?id=CVE-2010-4255
25 Jan 2011 — The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the handle_gdt_ldt_mapping_fault function, which allows guest OS users to cause a denial of service (host OS BUG_ON) via a crafted memory access. La función fixup_page_fault en arch/x86/traps.c en Xen v.4.0.1 y anteriores sobre plataformas 64-bit, cuando se activa la paravirtualización, no verifica que el modo kernel está usado p... • http://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.html •
CVSS: 6.5EPSS: 0%CPEs: 13EXPL: 0CVE-2010-4247 – xen: request-processing loop is unbounded in blkback
https://notcve.org/view.php?id=CVE-2010-4247
11 Jan 2011 — The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c in Xen before 3.4.0 for the Linux kernel 2.6.18, and possibly other versions, allows guest OS users to cause a denial of service (infinite loop and CPU consumption) via a large production request index to the blkback or blktap back-end drivers. NOTE: some of these details are obtained from third party information. La función do_block_io_op en (1) ldrivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blkt... • http://secunia.com/advisories/35093 • CWE-20: Improper Input Validation •
CVSS: 7.5EPSS: 0%CPEs: 16EXPL: 0CVE-2010-3699 – kernel: guest->host denial of service from invalid xenbus transitions
https://notcve.org/view.php?id=CVE-2010-3699
08 Dec 2010 — The backend driver in Xen 3.x allows guest OS users to cause a denial of service via a kernel thread leak, which prevents the device and guest OS from being shut down or create a zombie domain, causes a hang in zenwatch, or prevents unspecified xm commands from working properly, related to (1) netback, (2) blkback, or (3) blktap. El driver backend en Xen v3.x permite a usuarios del OS causar una denegación de servicio a través de una fuga en el hilo del kernel, lo que evita que el dispositivo y el invitado ... • http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html • CWE-399: Resource Management Errors •
CVSS: 5.5EPSS: 0%CPEs: 16EXPL: 1CVE-2009-1758 – kernel: xen: local denial of service
https://notcve.org/view.php?id=CVE-2009-1758
22 May 2009 — The hypervisor_callback function in Xen, possibly before 3.4.0, as applied to the Linux kernel 2.6.30-rc4, 2.6.18, and probably other versions allows guest user applications to cause a denial of service (kernel oops) of the guest OS by triggering a segmentation fault in "certain address ranges." La función hypervisor_callback en Xen, posiblemente anteriores a v3.4.0, como la que se aplica al kernel de linux v2.6.30-rc4, 2.6.18 y posiblemente otroas versiones permiten a aplicaciones del usuario guess provoca... • http://lists.xensource.com/archives/html/xen-devel/2009-05/msg00561.html • CWE-399: Resource Management Errors •
CVSS: 7.8EPSS: 0%CPEs: 9EXPL: 0CVE-2008-1943 – PVFB backend fails to validate frontend's framebuffer description
https://notcve.org/view.php?id=CVE-2008-1943
14 May 2008 — Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0 through 3.1.2 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a crafted description of a shared framebuffer. Un desbordamiento de búfer en el backend de XenSource Xen Para Virtualized Frame Buffer (PVFB) versiones 3.0 hasta 3.1.2, permite a usuarios locales causar una denegación de servicio (bloqueo de aplicación) y posiblemente ejecutar código arbitrario por medio de una ... • http://secunia.com/advisories/29963 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 7.8EPSS: 0%CPEs: 6EXPL: 0CVE-2008-1944 – PVFB SDL backend chokes on bogus screen updates
https://notcve.org/view.php?id=CVE-2008-1944
14 May 2008 — Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer (PVFB) Message 3.0 through 3.0.3 allows local users to cause a denial of service (SDL crash) and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of messages." Un desbordamiento de búfer en el backend del búfer de XenSource Xen Para-Virtualized Framebuffer (PVFB) Message versiones 3.0 hasta 3.0.3, permite a usuarios locales causar una denegación de servicio (bloque... • http://secunia.com/advisories/29963 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 6.2EPSS: 0%CPEs: 1EXPL: 0CVE-2007-6207 – Security: some HVM domain can access another domain memory.
https://notcve.org/view.php?id=CVE-2007-6207
04 Dec 2007 — Xen 3.x, possibly before 3.1.2, when running on IA64 systems, does not check the RID value for mov_to_rr, which allows a VTi domain to read memory of other domains. Xen 3.x, posiblemente versiones anteriores a 3.1.2, ejecutándose en sistemas IA64, no comprueba el valor RID de mov_to_rr, lo cual permite a un dominio VTi leer memoria de otros dominios. • http://lists.xensource.com/archives/html/xen-announce/2007-11/msg00000.html • CWE-20: Improper Input Validation •