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CVSS: 7.8EPSS: 0%CPEs: 2EXPL: 0

22 Dec 2017 — kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging register truncation mishandling. kernel/bpf/verifier.c en el kernel de Linux, en versiones anteriores a la 4.14.8, permite que los usuarios locales provoquen una denegación de servicio (corrupción de memoria) o, posiblemente, causen otros impactos no especificados aprovechando una mala gestión del truncamiento de registros. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0c17d1d2c61936401f4702e1846e2c19b200f958 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 16

22 Dec 2017 — The check_alu_op function in kernel/bpf/verifier.c in the Linux kernel through 4.4 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging incorrect sign extension. La función check_alu_op en kernel/bpf/verifier.c en el kernel de Linux, hasta la versión 4.4, permite que los usuarios locales provoquen una denegación de servicio (corrupción de memoria) o, posiblemente, causen otros impactos no especificados aprovechando una extensión de señal... • https://www.exploit-db.com/exploits/45058 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0

16 Dec 2017 — The raw_sendmsg() function in net/ipv4/raw.c in the Linux kernel through 4.14.6 has a race condition in inet->hdrincl that leads to uninitialized stack pointer usage; this allows a local user to execute code and gain privileges. La función raw_sendmsg() en net/ipv4/raw.c en el kernel de Linux hasta la versión 4.14.6 tiene una condición de carrera en inet->hdrincl que conduce al uso de un puntero de pila no inicializado. Esto permite que un usuario local ejecute código y obtenga privilegios. A flaw was found... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f659a03a0ba9289b9aeb9b4470e6fb263d6f483 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 7.2EPSS: 0%CPEs: 3EXPL: 0

12 Dec 2017 — The usb_destroy_configuration function in drivers/usb/core/config.c in the USB core subsystem in the Linux kernel through 4.14.5 does not consider the maximum number of configurations and interfaces before attempting to release resources, which allows local users to cause a denial of service (out-of-bounds write access) or possibly have unspecified other impact via a crafted USB device. La función usb_destroy_configuration en drivers/usb/core/config.c en el subsistema del núcleo USB en el kernel de Linux ha... • http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •

CVSS: 7.5EPSS: 0%CPEs: 22EXPL: 0

07 Dec 2017 — The Linux kernel version 3.3-rc1 and later is affected by a vulnerability lies in the processing of incoming L2CAP commands - ConfigRequest, and ConfigResponse messages. This info leak is a result of uninitialized stack variables that may be returned to an attacker in their uninitialized state. By manipulating the code flows that precede the handling of these configuration messages, an attacker can also gain some control over which data will be held in the uninitialized stack variables. This can allow him t... • http://seclists.org/oss-sec/2017/q4/357 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 4.7EPSS: 0%CPEs: 1EXPL: 0

07 Dec 2017 — 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 e... • http://www.securityfocus.com/bid/102122 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-284: Improper Access Control •

CVSS: 7.8EPSS: 0%CPEs: 7EXPL: 1

05 Dec 2017 — The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state. La función dccp_disconnect en net/dccp/proto.c en el kernel de Linux hasta la versión 4.14.3 permite que usuarios locales obtengan privilegios o provoquen una denegación de servicio (uso de memoria previamente liberada) mediante una llamada del sistema de conexión AF_UNSPEC du... • https://www.exploit-db.com/exploits/43234 • CWE-416: Use After Free •

CVSS: 7.0EPSS: 0%CPEs: 9EXPL: 4

30 Nov 2017 — The Linux Kernel versions 2.6.38 through 4.14 have a problematic use of pmd_mkdirty() in the touch_pmd() function inside the THP implementation. touch_pmd() can be reached by get_user_pages(). In such case, the pmd will become dirty. This scenario breaks the new can_follow_write_pmd()'s logic - pmd can become dirty without going through a COW cycle. This bug is not as severe as the original "Dirty cow" because an ext4 file (or any other regular file) cannot be mapped using THP. Nevertheless, it does allow u... • https://www.exploit-db.com/exploits/44305 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 7.0EPSS: 0%CPEs: 3EXPL: 0

29 Nov 2017 — The init_new_context function in arch/x86/include/asm/mmu_context.h in the Linux kernel before 4.12.10 does not correctly handle errors from LDT table allocation when forking a new process, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program. This vulnerability only affected kernels built with CONFIG_MODIFY_LDT_SYSCALL=y. La función init_new_context en arch/x86/include/asm/mmu_context.h en el kernel de Linux en versiones ante... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccd5b3235180eef3cfec337df1c8554ab151b5cc • CWE-416: Use After Free •

CVSS: 7.8EPSS: 0%CPEs: 2EXPL: 0

29 Nov 2017 — The mm_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the ->exe_file member of a new process's mm_struct, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program. La función mm_init en kernel/fork.c en el kernel de Linux en versiones anteriores a la 4.12.10 no elimina el miembro ->exe_file del mm_struct de un nuevo proceso. Esto permite que un atacante local logre un uso de memoria previamente li... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b7e8665b4ff51c034c55df3cff76518d1a9ee3a • CWE-416: Use After Free •