CVSS: 4.7EPSS: 0%CPEs: 1EXPL: 0CVE-2017-17449 – kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity
https://notcve.org/view.php?id=CVE-2017-17449
The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel through 4.14.4, when CONFIG_NLMON is enabled, does not restrict observations of Netlink messages to a single net namespace, which allows local users to obtain sensitive information by leveraging the CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink activity on the system. La función __netlink_deliver_tap_skb en net/netlink/af_netlink.c en el kernel de Linux hasta la versión 4.14.4, cuando CONFIG_NLMON está habilitado, no restringe las observaciones de mensajes Netlink a un espacio de nombres de red único, lo que permite que usuarios locales obtengan información sensible utilizando la capacidad CAP_NET_ADMIN para rastrear una interfaz nlmon para toda la actividad Netlink en el sistema. The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel, through 4.14.4, does not restrict observations of Netlink messages to a single net namespace, when CONFIG_NLMON is enabled. This allows local users to obtain sensitive information by leveraging the CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink activity on the system. • http://www.securityfocus.com/bid/102122 https://access.redhat.com/errata/RHSA-2018:0654 https://access.redhat.com/errata/RHSA-2018:0676 https://access.redhat.com/errata/RHSA-2018:1062 https://access.redhat.com/errata/RHSA-2018:1130 https://access.redhat.com/errata/RHSA-2018:1170 https://lkml.org/lkml/2017/12/5/950 https://source.android.com/security/bulletin/pixel/2018-04-01 https://usn.ubuntu.com/3619-1 https://usn.ubuntu.com/3619-2 https://usn.ubunt • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-284: Improper Access Control •
CVSS: 5.5EPSS: 0%CPEs: 2EXPL: 0CVE-2017-15116 – kernel: Null pointer dereference in rngapi_reset function
https://notcve.org/view.php?id=CVE-2017-15116
The rngapi_reset function in crypto/rng.c in the Linux kernel before 4.2 allows attackers to cause a denial of service (NULL pointer dereference). La función rngapi_reset en crypto/rng.c en el kernel de Linux en versiones anteriores a la 4.2 permite que atacantes provoquen una denegación de servicio (desreferencia de puntero NULL). A flaw was found in the Linux kernel's random number generator API. A null pointer dereference in the rngapi_reset function may result in denial of service, crashing the system. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 https://access.redhat.com/errata/RHSA-2018:0676 https://access.redhat.com/errata/RHSA-2018:1062 https://bugzilla.redhat.com/show_bug.cgi?id=1485815 https://bugzilla.redhat.com/show_bug.cgi?id=1514609 https://github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 https://access.redhat.com/security/cve/CVE-2017-15116 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-476: NULL Pointer Dereference •
CVSS: 5.5EPSS: 0%CPEs: 1EXPL: 0CVE-2017-12193 – kernel: Null pointer dereference due to incorrect node-splitting in assoc_array implementation
https://notcve.org/view.php?id=CVE-2017-12193
The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations. La función assoc_array_insert_into_terminal_node en lib/assoc_array.c en el kernel de Linux en versiones anteriores a la 4.13.11 gestiona de manera incorrecta la división de nodos, lo que permite que usuarios locales provoquen una denegación de servicio (desreferencia de puntero NULL y pánico) mediante una aplicación manipulada, tal y como demuestra el tipo de clave de conjunto de claves, así como las operaciones de suma de claves y creación de enlaces. A flaw was found in the Linux kernel's implementation of associative arrays introduced in 3.13. This functionality was backported to the 3.10 kernels in Red Hat Enterprise Linux 7. The flaw involved a null pointer dereference in assoc_array_apply_edit() due to incorrect node-splitting in assoc_array implementation. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea6789980fdaa610d7eb63602c746bf6ec70cd2b http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11 http://www.securityfocus.com/bid/101678 https://access.redhat.com/errata/RHSA-2018:0151 https://bugzilla.redhat.com/show_bug.cgi?id=1501215 https://github.com/torvalds/linux/commit/ea6789980fdaa610d7eb63602c746bf6ec70cd2b https://usn.ubuntu.com/3698-1 https://usn.ubuntu.com/3698-2 https://access.redhat.com/secu • CWE-476: NULL Pointer Dereference •
CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0CVE-2017-12190 – kernel: memory leak when merging buffers in SCSI IO vectors
https://notcve.org/view.php?id=CVE-2017-12190
The bio_map_user_iov and bio_unmap_user functions in block/bio.c in the Linux kernel before 4.13.8 do unbalanced refcounting when a SCSI I/O vector has small consecutive buffers belonging to the same page. The bio_add_pc_page function merges them into one, but the page reference is never dropped. This causes a memory leak and possible system lockup (exploitable against the host OS by a guest OS user, if a SCSI disk is passed through to a virtual machine) due to an out-of-memory condition. Las funciones bio_map_user_iov y bio_unmap_user en block/bio.c en el kernel de Linux en versiones anteriores a la 4.13.8 realizan un refcount no equilibrado cuando un vector SCSI I/O tiene búferes pequeños consecutivos que pertenecen a la misma página. La función bio_add_pc_page los combina en uno solo, pero la referencia de la página nunca se anula. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b04e8f6bbb196cab4b232af0f8d48ff2c7a8058 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=95d78c28b5a85bacbc29b8dba7c04babb9b0d467 http://seclists.org/oss-sec/2017/q4/52 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8 http://www.securityfocus.com/bid/101911 https://access.redhat.com/errata/RHSA-2018:0654 https://access.redhat.com/errata/RHSA-2018:0676 https://access.redhat&# • CWE-400: Uncontrolled Resource Consumption CWE-772: Missing Release of Resource after Effective Lifetime •
CVSS: 6.9EPSS: 0%CPEs: 5EXPL: 0CVE-2017-15102
https://notcve.org/view.php?id=CVE-2017-15102
The tower_probe function in drivers/usb/misc/legousbtower.c in the Linux kernel before 4.8.1 allows local users (who are physically proximate for inserting a crafted USB device) to gain privileges by leveraging a write-what-where condition that occurs after a race condition and a NULL pointer dereference. La función tower_probe en drivers/usb/misc/legousbtower.c en el kernel de Linux en versiones anteriores a la 4.8.1 permite que usuarios locales (que estén tan cerca físicamente como para insertar un dispositivo USB manipulado) obtengan privilegios aprovechando una condición de write-what-where que ocurre tras una condición de carrera y una desreferencia de puntero NULL • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989 http://seclists.org/oss-sec/2017/q4/238 http://www.securityfocus.com/bid/101790 https://bugzilla.redhat.com/show_bug.cgi?id=1505905 https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989 https://usn.ubuntu.com/3583-1 https://usn.ubuntu.com/3583-2 • CWE-476: NULL Pointer Dereference •