CVSS: 7.0EPSS: 0%CPEs: 1EXPL: 0CVE-2015-8709
https://notcve.org/view.php?id=CVE-2015-8709
kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call. NOTE: the vendor states "there is no kernel bug here. ** DISPUTADA ** kernel/ptrace.c en el kernel de Linux hasta la versión 4.4.1 no maneja correctamente el mapeo uid y gid, lo que permite a usuarios locales obtener privilegios estableciendo un espacio de nombres de usuario, a la espera de un proceso root para entrar ese espacio de nombres con un uid o gid inseguro, y después utilizando la llamada al sistema ptrace. NOTA: el vendedor afirma "no hay ningún error en el kernel aquí". • http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html http://lists.opensuse.org/opensuse-security-announce/2016& • CWE-264: Permissions, Privileges, and Access Controls •
CVSS: 6.5EPSS: 0%CPEs: 16EXPL: 0CVE-2015-7513
https://notcve.org/view.php?id=CVE-2015-7513
arch/x86/kvm/x86.c in the Linux kernel before 4.4 does not reset the PIT counter values during state restoration, which allows guest OS users to cause a denial of service (divide-by-zero error and host OS crash) via a zero value, related to the kvm_vm_ioctl_set_pit and kvm_vm_ioctl_set_pit2 functions. arch/x86/kvm/x86.c en el kernel de Linux en versiones anteriores a 4.4 no reinicia los valores del contador PIT durante la restauración del estado, lo que permite a usuarios invitados del SO provocar una denegación de servicio (error de división por cero y caída del host del SO) a través del valor cero, relacionado con las funciones kvm_vm_ioctl_set_pit y kvm_vm_ioctl_set_pit2. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0185604c2d82c560dab2f2933a18f797e74ab5a8 http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html http://www.debian.org/security/2016/dsa-3434 http://www.openwall.com/lists/oss-security/2016/01/07/2 http://www.securityfocus.com/bid/79901 ht • CWE-369: Divide By Zero •
CVSS: 7.2EPSS: 0%CPEs: 3EXPL: 5CVE-2015-8660 – Linux Kernel (Ubuntu / Fedora / RedHat) - 'Overlayfs' Local Privilege Escalation
https://notcve.org/view.php?id=CVE-2015-8660
The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application. La función ovl_setattr en fs/overlayfs/inode.c en el kernel de Linux hasta la versión 4.3.3 trata de fusionar distintas operaciones setattr, lo que permite a usuarios locales eludir las restricciones destinadas al acceso y modificar los atributos de archivos overlay arbitrarios a través de una aplicación manipulada. • https://www.exploit-db.com/exploits/40688 https://www.exploit-db.com/exploits/39166 https://www.exploit-db.com/exploits/39230 https://github.com/whu-enjoy/CVE-2015-8660 https://github.com/nhamle2/CVE-2015-8660 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acff81ec2c79492b180fade3c2894425cd35a545 http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html http://lists • CWE-264: Permissions, Privileges, and Access Controls CWE-732: Incorrect Permission Assignment for Critical Resource •
CVSS: 2.3EPSS: 0%CPEs: 1EXPL: 0CVE-2015-8569
https://notcve.org/view.php?id=CVE-2015-8569
The (1) pptp_bind and (2) pptp_connect functions in drivers/net/ppp/pptp.c in the Linux kernel through 4.3.3 do not verify an address length, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted application. Las funciones (1) pptp_bind y (2) pptp_connect en drivers/net/ppp/pptp.c en el kernel de Linux hasta la versión 4.3.3 no verifican la longitud de una dirección, lo que permite a usuarios locales obtener información sensible de la memoria del kernel y eludir el mecanismo de protección KASLR a través de una aplicación manipulada. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ccfd238e5a0e670d8178cf50180ea81ae09ae1 http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html http://twitter.com/grsecurity/statuses/676744240802750464 http://www.debian.org/security/2016/d • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 6.0EPSS: 0%CPEs: 15EXPL: 0CVE-2015-8551
https://notcve.org/view.php?id=CVE-2015-8551
The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 4.3.x as the driver domain, allows local guest administrators to hit BUG conditions and cause a denial of service (NULL pointer dereference and host OS crash) by leveraging a system with access to a passed-through MSI or MSI-X capable physical PCI device and a crafted sequence of XEN_PCI_OP_* operations, aka "Linux pciback missing sanity checks." El controlador backend PCI en Xen, cuando se ejecuta en un sistema x86 y utiliza Linux 3.1.x hasta la versión 4.3.x como dominio de controlador, permite a administradores locales invitados alcanzar condiciones de BUG y provocar una denegación de servicio (referencia a puntero NULL y caída de SO anfitrión) aprovechando un sistema con acceso a un dispositivo físico PCI capaz de pasar a través de MSI o MSI-X y una secuencia de operaciones XEN_PCI_OP_* manipulada, también conocido como "Linux pciback missing sanity checks". • http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2016-08 • CWE-476: NULL Pointer Dereference •