CVSS: 7.8EPSS: 0%CPEs: 6EXPL: 0CVE-2015-8539 – kernel: local privesc in key management
https://notcve.org/view.php?id=CVE-2015-8539
The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (BUG) via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/user_defined.c. El subsistema KEYS en el kernel de Linux en versiones anteriores a 4.4 permite a usuarios locales obtener privilegios o provocar una denegación de servicio (BUG) a través de comandos keyctl manipulados que instancia una clave negativamente, relacionado con security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c y security/keys/user_defined.c. A flaw was found in the Linux kernel's key management system where it was possible for an attacker to escalate privileges or crash the machine. If a user key gets negatively instantiated, an error code is cached in the payload area. A negatively instantiated key may be then be positively instantiated by updating it with valid data. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096fe9eaea40a17e125569f9e657e34cdb6d73bd http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html http://lists.opensuse.org • CWE-269: Improper Privilege Management CWE-667: Improper Locking •
CVSS: 6.2EPSS: 0%CPEs: 6EXPL: 0CVE-2015-8785
https://notcve.org/view.php?id=CVE-2015-8785
The fuse_fill_write_pages function in fs/fuse/file.c in the Linux kernel before 4.4 allows local users to cause a denial of service (infinite loop) via a writev system call that triggers a zero length for the first segment of an iov. La función fuse_fill_write_pages en fs/fuse/file.c en el kernel de Linux en versiones anteriores a 4.4 permite a usuarios locales provocar una denegación de servicio (bucle infinito) a través de una llamada a sistema writev que desencadena una longitud cero para el primer segmento de un iov. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3ca8138f014a913f98e6ef40e939868e1e9ea876 http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html http://www.debian.org • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •
CVSS: 7.1EPSS: 0%CPEs: 6EXPL: 0CVE-2015-8767 – kernel: SCTP denial of service during timeout
https://notcve.org/view.php?id=CVE-2015-8767
net/sctp/sm_sideeffect.c in the Linux kernel before 4.3 does not properly manage the relationship between a lock and a socket, which allows local users to cause a denial of service (deadlock) via a crafted sctp_accept call. net/sctp/sm_sideeffect.c en el kernel de Linux en versiones anteriores a 4.3 no maneja adecuadamente la relación entre un bloqueo y un socket, lo que permite a usuarios locales provocar una denegación de servicio (interbloqueo) a través de una llamada sctp_accept manipulada. A race condition flaw was found in the way the Linux kernel's SCTP implementation handled sctp_accept() during the processing of heartbeat timeout events. A remote attacker could use this flaw to prevent further connections to be accepted by the SCTP server running on the system, resulting in a denial of service. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=635682a14427d241bab7bbdeebb48a7d7b91638e 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/msg00015.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html http://rhn.redhat&# • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 4.9EPSS: 0%CPEs: 7EXPL: 1CVE-2015-7566 – Linux Kernel 3.10.0 (CentOS / RHEL 7.1) - visor clie_5_attach Nullpointer Dereference
https://notcve.org/view.php?id=CVE-2015-7566
The clie_5_attach function in drivers/usb/serial/visor.c in the Linux kernel through 4.4.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a bulk-out endpoint. La función clie_5_attach en drivers/usb/serial/visor.c en el kernel de Linux hasta la versión 4.4.1 permite a atacantes físicamente próximos provocar una denegación de servicio (referencia a puntero NULL y caída del sistema) o posiblemente tener otro impacto no especificado insertando un dispositivo USB que carezca de un punto final de expansión. Linux kernel version 3.10.0-229.20.1.el7.x86_64 crashes on presentation of a buggy USB device requiring the visor (clie_5_attach) driver. • https://www.exploit-db.com/exploits/39540 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb3232138e37129e88240a98a1d2aba2187ff57c 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://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html http://lists.opensuse.org/opensuse-sec •
CVSS: 6.2EPSS: 0%CPEs: 4EXPL: 0CVE-2013-4312 – kernel: File descriptors passed over unix sockets are not properly accounted
https://notcve.org/view.php?id=CVE-2013-4312
The Linux kernel before 4.4.1 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by sending each descriptor over a UNIX socket before closing it, related to net/unix/af_unix.c and net/unix/garbage.c. El kernel de Linux en versiones anteriores a 4.4.1 permite a usuarios locales eludir los limites de descriptor de fichero y provocar una denegación de servicio (consumo de memoria) enviando cada descriptor a través de un socket UNIX antes de cerrarlo, relacionado con net/unix/af_unix.c y net/unix/garbage.c. It was found that the Linux kernel did not properly account file descriptors passed over the unix socket against the process limit. A local user could use this flaw to exhaust all available memory on the system. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=712f4aad406bb1ed67f3f98d04c044191f0ff593 http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html 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://www.debian.org/security/2016/dsa-3448 http://www.debian.or • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-400: Uncontrolled Resource Consumption •