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CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0

10 Mar 2018 — The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of service (NULL pointer dereference). La función unimac_mdio_probe en drivers/net/phy/mdio-bcm-unimac.c en el kernel de Linux hasta la versión 4.15.8 no valida la disponibilidad de ciertos recursos. Esto permite que usuarios locales provoquen una denegación de servicio (desreferencia de puntero NULL). Jann Horn dis... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5 • CWE-476: NULL Pointer Dereference •

CVSS: 4.7EPSS: 0%CPEs: 4EXPL: 0

09 Mar 2018 — Race condition in the store_int_with_restart() function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (panic) by leveraging root access to write to the check_interval file in a /sys/devices/system/machinecheck/machinecheck directory. NOTE: a third party has indicated that this report is not security relevant ** EN DISPUTA ** Condición de carrera en la función store_int_with_restart() en arch/x86/kernel/cpu/mcheck/mce.c en e... • http://www.securityfocus.com/bid/103356 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 5.5EPSS: 0%CPEs: 1EXPL: 0

08 Mar 2018 — Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (memory consumption) via many read accesses to files in the /sys/class/sas_phy directory, as demonstrated by the /sys/class/sas_phy/phy-1:0:12/invalid_dword_count file. Filtrado de memoria en la función sas_smp_get_phy_events en drivers/scsi/libsas/sas_expander.c en el kernel de Linux, hasta la versión 4.15.7, permite que usuarios locales... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 • CWE-400: Uncontrolled Resource Consumption CWE-772: Missing Release of Resource after Effective Lifetime •

CVSS: 5.9EPSS: 0%CPEs: 6EXPL: 1

08 Mar 2018 — An issue was discovered in the fd_locked_ioctl function in drivers/block/floppy.c in the Linux kernel through 4.15.7. The floppy driver will copy a kernel pointer to user memory in response to the FDGETPRM ioctl. An attacker can send the FDGETPRM ioctl and use the obtained kernel pointer to discover the location of kernel code and data and bypass kernel security protections such as KASLR. Se descubrió un fallo de seguridad en la función fd_locked_ioct en drivers/block/floppy.c en el kernel de Linux hasta la... • https://access.redhat.com/errata/RHSA-2019:2029 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 5.5EPSS: 0%CPEs: 10EXPL: 1

07 Mar 2018 — The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call. La función resv_map_release en mm/hugetlb.c en el kernel de Linux hasta la versión 4.15.7 permite que usuarios locales provoquen una denegación de servicio (error) mediante una aplicación manipulada que realiza llamadas del sistema mmap y tiene un argume... • http://www.securityfocus.com/bid/103316 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 5.5EPSS: 0%CPEs: 1EXPL: 0

05 Mar 2018 — In fs/ocfs2/cluster/nodemanager.c in the Linux kernel before 4.15, local users can cause a denial of service (NULL pointer dereference and BUG) because a required mutex is not used. En fs/ocfs2/cluster/nodemanager.c en el kernel de Linux, en versiones anteriores a la 4.15, los usuarios locales pueden provocar una denegación de servicio (desreferencia de puntero NULL y error) debido a que no se emplea un mutex requerido. Dmitry Vyukov discovered that the key management subsystem in the Linux kernel did not p... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=853bc26a7ea39e354b9f8889ae7ad1492ffa28d2 • CWE-476: NULL Pointer Dereference •

CVSS: 5.9EPSS: 0%CPEs: 1EXPL: 0

02 Mar 2018 — The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump but lacks a user-defined chain, which allows local users to cause a denial of service (NULL pointer dereference) by leveraging the CAP_NET_RAW or CAP_NET_ADMIN capability, related to arpt_do_table in net/ipv4/netfilter/arp_tables.c, ipt_do_table in net/ipv4/netfilter/ip_tables.c, and ip6t_do_table in net/ipv6/netfilter/ip6_tables.c. El subsistema netfilter en el kernel de Linux, hasta la versió... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=57ebd808a97d7c5b1e1afb937c2db22beba3c1f8 • CWE-476: NULL Pointer Dereference •

CVSS: 5.5EPSS: 0%CPEs: 12EXPL: 0

01 Mar 2018 — In the Linux Kernel before version 4.15.8, 4.14.25, 4.9.87, 4.4.121, 4.1.51, and 3.2.102, an error in the "_sctp_make_chunk()" function (net/sctp/sm_make_chunk.c) when handling SCTP packets length can be exploited to cause a kernel crash. En el kernel de Linux en versiones anteriores a la 4.15.8, 4.14.25, 4.9.87, 4.4.121, 4.1.51 y 3.2.102, un error en la función "_sctp_make_chunk()" (net/sctp/sm_make_chunk.c) al gestionar el tamaño de paquetes SCTP puede explotarse para provocar un cierre inesperado del ker... • https://access.redhat.com/errata/RHSA-2018:1854 • CWE-20: Improper Input Validation •

CVSS: 5.5EPSS: 0%CPEs: 1EXPL: 3

21 Feb 2018 — In the Linux kernel through 4.15.4, the floppy driver reveals the addresses of kernel functions and global variables using printk calls within the function show_floppy in drivers/block/floppy.c. An attacker can read this information from dmesg and use the addresses to find the locations of kernel code and data and bypass kernel security protections such as KASLR. En el kernel de Linux hasta la versión 4.15.4, el controlador del disquete revela las direcciones de las funciones del kernel y las variables glob... • https://packetstorm.news/files/id/146863 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 7.4EPSS: 0%CPEs: 5EXPL: 0

09 Feb 2018 — Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the "rootsquash" options enabled. This vulnerability appears to have been fixed in after commit 1995266727fa. El kernel de Linux, en versiones posteriores al commit con ID bdcf0a4... • https://git.kernel.org/linus/1995266727fa8143897e89b55f5d3c79aa828420 • CWE-269: Improper Privilege Management •