CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 1CVE-2016-6198 – kernel: vfs: missing detection of hardlinks in vfs_rename() on overlayfs
https://notcve.org/view.php?id=CVE-2016-6198
The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c. La capa del sistema de archivos en el kernel de Linux en versiones anteriores a 4.5.5 procede con operaciones de cambio de nombre después de que un archivo OverlayFS es cambiado de nombre a un self-hardlink, lo que permite a usuarios locales provocar una denegación de servicio (caída de sistema) a través de una llamada al sistema, relacionado con fs/namei.c y fs/open.c. A flaw was found that the vfs_rename() function did not detect hard links on overlayfs. A local, unprivileged user could use the rename syscall on overlayfs on top of xfs to crash the system. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca http://rhn.redhat.com/errata/RHSA-2016-1847.html http://rhn.redhat.com/errata/RHSA-2016-1875.html http://rhn.redhat.com/errata/RHSA-2016-2574.html http://rhn.redhat.com/errata/RHSA-2016-2584.html http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5 • CWE-284: Improper Access Control CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 8.4EPSS: 0%CPEs: 8EXPL: 0CVE-2016-3841 – kernel: use-after-free via crafted IPV6 sendmsg for raw / tcp / udp / l2tp sockets.
https://notcve.org/view.php?id=CVE-2016-3841
The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call. La pila IPv6 en el kernel de Linux en versiones anteriores a 4.3.3 no maneja adecuadamente datos de las opciones, lo que permite a usuarios locales obtener privilegios o provocar una denegación de servicio (uso después de liberación y caída de sistema) a través de una llamada al sistema sendmsg manipulada. It was found that the Linux kernel's IPv6 implementation mishandled socket options. A local attacker could abuse concurrent access to the socket options to escalate their privileges, or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45f6fad84cc305103b28d73482b344d7f5b76f39 http://rhn.redhat.com/errata/RHSA-2016-0855.html http://rhn.redhat.com/errata/RHSA-2016-2574.html http://rhn.redhat.com/errata/RHSA-2016-2584.html http://rhn.redhat.com/errata/RHSA-2016-2695.html http://source.android.com/security/bulletin/2016-08-01.html http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3 http://www.securityfocus.com/bid/92227 http • CWE-264: Permissions, Privileges, and Access Controls CWE-416: Use After Free CWE-667: Improper Locking •
CVSS: 4.9EPSS: 0%CPEs: 1EXPL: 0CVE-2016-5400
https://notcve.org/view.php?id=CVE-2016-5400
Memory leak in the airspy_probe function in drivers/media/usb/airspy/airspy.c in the airspy USB driver in the Linux kernel before 4.7 allows local users to cause a denial of service (memory consumption) via a crafted USB device that emulates many VFL_TYPE_SDR or VFL_TYPE_SUBDEV devices and performs many connect and disconnect operations. Pérdida de memoria en la función airspy_probe en drivers/media/usb/airspy/airspy.c en el controlador USB airspy en el kernel de Linux en versiones anteriores a 4.7 permite a usuarios locales provocar una denegación de servicio (consumo de memoria) a través de un dispositivo USB manipulado que emula muchos dispositivos VFL_TYPE_SDR o VFL_TYPE_SUBDEV y realiza muchas operaciones de conexión y desconexión. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa93d1fee85c890a34f2510a310e55ee76a27848 http://www.openwall.com/lists/oss-security/2016/07/25/1 http://www.securityfocus.com/bid/92104 http://www.securitytracker.com/id/1036432 http://www.ubuntu.com/usn/USN-3070-1 http://www.ubuntu.com/usn/USN-3070-2 http://www.ubuntu.com/usn/USN-3070-3 http://www.ubuntu.com/usn/USN-3070-4 https://bugzilla.redhat.com/show_bug.cgi?id=1358184 https:/ • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0CVE-2016-5412 – Kernel: powerpc: kvm: Infinite loop via H_CEDE hypercall when running under hypervisor-mode
https://notcve.org/view.php?id=CVE-2016-5412
arch/powerpc/kvm/book3s_hv_rmhandlers.S in the Linux kernel through 4.7 on PowerPC platforms, when CONFIG_KVM_BOOK3S_64_HV is enabled, allows guest OS users to cause a denial of service (host OS infinite loop) by making a H_CEDE hypercall during the existence of a suspended transaction. arch/powerpc/kvm/book3s_hv_rmhandlers.S en el kernel de Linux hasta la versión 4.7 en plataformas PowerPC, cuando se encuentra habilitada CONFIG_KVM_BOOK3S_64_HV, permite a usuarios invitados del SO provocar una denegación de servicio (bucle infinito del SO anfitrión) haciendo una hiperllamada H_CEDE durante la existencia de una transacción suspendida. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=93d17397e4e2182fdaad503e2f9da46202c0f1c3 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f024ee098476a3e620232e4a78cfac505f121245 http://rhn.redhat.com/errata/RHSA-2016-2574.html http://www.openwall.com/lists/oss-security/2016/07/28/2 https://bugzilla.redhat.com/show_bug.cgi?id=1349916 https://github.com/torvalds/linux/commit/93d17397e4e2182fdaad503e2f9da46202c0f1c3 https://github.com/torvalds/linux/commit/ • CWE-399: Resource Management Errors CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •
CVSS: 7.4EPSS: 0%CPEs: 1EXPL: 1CVE-2016-6516
https://notcve.org/view.php?id=CVE-2016-6516
Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a "double fetch" vulnerability. Condición de carrera en la función ioctl_file_dedupe_range en fs/ioctl.c en el kernel de Linux hasta la versión 4.7 permite a usuarios locales provocar una denegación de servicio (desbordamiento de búfer basado en memoria dinámica) o posiblemente obtener privilegios cambiando un cierto valor de recuento, también conocido como una vulnerabilidad de "doble recuperación". • https://github.com/wpengfei/CVE-2016-6516-exploit http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20 http://www.openwall.com/lists/oss-security/2016/07/31/6 http://www.securityfocus.com/bid/92259 https://bugzilla.redhat.com/show_bug.cgi?id=1362457 https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •