CVSS: 10.0EPSS: 0%CPEs: 11EXPL: 0CVE-2014-8867 – xen: Insufficient bounding of "REP MOVS" to MMIO emulated inside the hypervisor (xsa112)
https://notcve.org/view.php?id=CVE-2014-8867
01 Dec 2014 — The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors. El soporte de aceleración para la instrucción 'REP MOVS' en Xen 4.4.x, 3.2.x, y anteriores falla en la comprobación correcta de los límites para entrada/salida del mapeado de memoria (memory mapped I/O, MMIO) emulado en el hipervisor, lo ... • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 • CWE-17: DEPRECATED: Code •
CVSS: 5.5EPSS: 0%CPEs: 31EXPL: 0CVE-2014-8866 – Gentoo Linux Security Advisory 201504-04
https://notcve.org/view.php?id=CVE-2014-8866
01 Dec 2014 — The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode. La traducción del argumento de hiperllamadas del modo de compatibilidad en Xen 3.3.x hasta 4.4.x, cuando funciona en un hipervisor de 64 bits, permite a invitados locales de HVM de 32 bits causar una denegación de servicio (caída del anfi... • http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html • CWE-17: DEPRECATED: Code •
CVSS: 7.5EPSS: 2%CPEs: 35EXPL: 0CVE-2014-9030 – Gentoo Linux Security Advisory 201504-04
https://notcve.org/view.php?id=CVE-2014-9030
24 Nov 2014 — The do_mmu_update function in arch/x86/mm.c in Xen 3.2.x through 4.4.x does not properly manage page references, which allows remote domains to cause a denial of service by leveraging control over an HVM guest and a crafted MMU_MACHPHYS_UPDATE. La función do_mmu_update en arch/x86/mm.c en Xen 3.2.x hasta 4.4.x no maneja debidamente las referencias de páginas, lo que permite a dominios remotos causar una denegación de servicio mediante el aprovechamiento del control sobre un invitado HVM y un MMU_MACHPHYS_UP... • http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html • CWE-20: Improper Input Validation •
CVSS: 7.5EPSS: 1%CPEs: 21EXPL: 0CVE-2014-8594 – Gentoo Linux Security Advisory 201504-04
https://notcve.org/view.php?id=CVE-2014-8594
19 Nov 2014 — The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP). La función do_mmu_update en arch/x86/mm.c en Xen 4.x hasta la versión 4.4.x no restringe adecuadamente las actualizaciones a las tablas de página sólo para PV, lo que permite a invitados PV remotos provo... • http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html • CWE-20: Improper Input Validation •
CVSS: 9.8EPSS: 0%CPEs: 33EXPL: 0CVE-2014-8595 – Gentoo Linux Security Advisory 201504-04
https://notcve.org/view.php?id=CVE-2014-8595
19 Nov 2014 — arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction. El fichero arch/x86/x86_emulate.c in Xen 3.2.1 hasta 4.4.x no comprueba correctamente los privilegios, lo que permite a los usuarios invitados HVM locales conseguir privilegios o causar una denegación de servicio (caída) a ... • http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html • CWE-17: DEPRECATED: Code •
CVSS: 9.8EPSS: 2%CPEs: 16EXPL: 0CVE-2014-7188 – Gentoo Linux Security Advisory 201412-42
https://notcve.org/view.php?id=CVE-2014-7188
01 Oct 2014 — The hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors. La función hvm_msr_read_intercept en arch/x86/hvm/hvm.c en Xen 4.1 hasta 4.4.x utiliza un rango MSR indebido para la emulación x2APIC, lo que permite a huéspedes HVM locales causar una denegación de servicio (caída del anfitrión) o le... • http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140199.html • CWE-399: Resource Management Errors •
CVSS: 9.8EPSS: 0%CPEs: 43EXPL: 0CVE-2014-7155 – Gentoo Linux Security Advisory 201412-42
https://notcve.org/view.php?id=CVE-2014-7155
01 Oct 2014 — The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction. La función x86_emulate en arch/x86/x86_emulate/x86_emulate.c en Xen 4.4.x y anteriores no comprueba debidamente los permisos del modo de supervisor, lo que permite a usuarios locales ... • http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html • CWE-264: Permissions, Privileges, and Access Controls •
CVSS: 8.1EPSS: 0%CPEs: 21EXPL: 0CVE-2014-7154 – Gentoo Linux Security Advisory 201412-42
https://notcve.org/view.php?id=CVE-2014-7154
01 Oct 2014 — Race condition in HVMOP_track_dirty_vram in Xen 4.0.0 through 4.4.x does not ensure possession of the guarding lock for dirty video RAM tracking, which allows certain local guest domains to cause a denial of service via unspecified vectors. Condición de carrera en HVMOP_track_dirty_vram en Xen 4.0.0 hasta 4.4.x no asegura la posesión del bloqueo de guardar para el seguimiento RAM de vídeos sucios, lo que permite a dominios locales de huésped causar una denegación de servicio a través de vectores no especifi... • http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 5.5EPSS: 0%CPEs: 19EXPL: 0CVE-2014-7156 – Gentoo Linux Security Advisory 201412-42
https://notcve.org/view.php?id=CVE-2014-7156
01 Oct 2014 — The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors. La función x86_emulate en arch/x86/x86_emulate/x86_emulate.c en Xen 3.3.x hasta 4.4.x no comprueba los permisos del modo de supervisión para las instrucciones que generan interrupciones de software, lo que permite a usua... • http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html • CWE-264: Permissions, Privileges, and Access Controls •
CVSS: 9.8EPSS: 0%CPEs: 24EXPL: 0CVE-2014-4021 – xen: Hypervisor heap contents leaked to guests (xsa-100)
https://notcve.org/view.php?id=CVE-2014-4021
18 Jun 2014 — Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors. Xen 3.2.x hasta 4.4.x no limpia debidamente las páginas de memoria recuperadas de invitados, lo que permite a usuarios locales del sistema operativo invitado obtener información sensible a través de vectores no especificados. It was found that the Xen hypervisor implementation did not properly clean memory pages previously allocated by... • http://linux.oracle.com/errata/ELSA-2014-0926-1.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-244: Improper Clearing of Heap Memory Before Release ('Heap Inspection') •