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: 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: 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') •
CVSS: 7.1EPSS: 0%CPEs: 24EXPL: 0CVE-2014-1893 – Gentoo Linux Security Advisory 201407-03
https://notcve.org/view.php?id=CVE-2014-1893
01 Apr 2014 — Multiple integer overflows in the (1) FLASK_GETBOOL and (2) FLASK_SETBOOL suboperations in the flask hypercall in Xen 4.1.x, 3.3.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1891, CVE-2014-1892, and CVE-2014-1894. Múltiples desbordamientos de enteros en las suboperaciones (1) FLASK_GETBOOL y (2) FLASK_SETBOOL en la hiperllamada flask hypercall en Xen 4.1.x, 3.3.x, 3.2.x y anterior... • http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html • CWE-189: Numeric Errors •
CVSS: 5.5EPSS: 0%CPEs: 20EXPL: 0CVE-2014-1892 – Gentoo Linux Security Advisory 201407-03
https://notcve.org/view.php?id=CVE-2014-1892
01 Apr 2014 — Xen 3.3 through 4.1, when XSM is enabled, allows local users to cause a denial of service via vectors related to a "large memory allocation," a different vulnerability than CVE-2014-1891, CVE-2014-1893, and CVE-2014-1894. Xen 3.3 hasta 4.1, cuando XSM está habilitada, permite a usuarios locales causar una denegación de servicio a través de vectores relacionados con una reserva de memoria grande, una vulnerabilidad diferente a CVE-2014-1891, CVE-2014-1893 y CVE-2014-1894. Multiple vulnerabilities have been f... • http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 7.1EPSS: 0%CPEs: 25EXPL: 0CVE-2014-1891 – Gentoo Linux Security Advisory 201407-03
https://notcve.org/view.php?id=CVE-2014-1891
01 Apr 2014 — Multiple integer overflows in the (1) FLASK_GETBOOL, (2) FLASK_SETBOOL, (3) FLASK_USER, and (4) FLASK_CONTEXT_TO_SID suboperations in the flask hypercall in Xen 4.3.x, 4.2.x, 4.1.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1892, CVE-2014-1893, and CVE-2014-1894. Múltiples desbordamiento de enteros en las suboperaciones (1) FLASK_GETBOOL, (2) FLASK_SETBOOL, (3) FLASK_USER y (4) FL... • http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html • CWE-189: Numeric Errors •
CVSS: 6.5EPSS: 0%CPEs: 23EXPL: 0CVE-2013-4553 – Debian Security Advisory 3006-1
https://notcve.org/view.php?id=CVE-2013-4553
24 Dec 2013 — The XEN_DOMCTL_getmemlist hypercall in Xen 3.4.x through 4.3.x (possibly 4.3.1) does not always obtain the page_alloc_lock and mm_rwlock in the same order, which allows local guest administrators to cause a denial of service (host deadlock). La hypercall XEN_DOMCTL_getmemlist en Xen 3.4.x a 4.3.x (posiblemente 4.3.1) no obtiene siempre los bloqueos page_alloc_lock y mm_rwlock en el mismo orden, lo cual permite a administradores locales invitados causar denegación de servicio (bloqueo del host). Multiple vul... • http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 9.8EPSS: 0%CPEs: 34EXPL: 0CVE-2013-4554 – kernel: xen: hypercalls exposed to privilege rings 1 and 2 of HVM guests
https://notcve.org/view.php?id=CVE-2013-4554
24 Dec 2013 — Xen 3.0.3 through 4.1.x (possibly 4.1.6.1), 4.2.x (possibly 4.2.3), and 4.3.x (possibly 4.3.1) does not properly prevent access to hypercalls, which allows local guest users to gain privileges via a crafted application running in ring 1 or 2. Xen 3.0.3 a 4.1.x (posiblemente 4.1.6.1), 4.2.x (posiblemente 4.2.3), y 4.3.x (posiblemente 4.3.1) no previene correctamente acceso a hypercalls, lo cual permite a usuarios invitados locales obtener privilegios a través de la ejecución de una aplicación manipulada en e... • http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html • CWE-264: Permissions, Privileges, and Access Controls •