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CVE-2017-18549

kernel: information exposure in drivers/scsi/aacraid/commctrl.c

An issue was discovered in drivers/scsi/aacraid/commctrl.c in the Linux kernel before 4.13. There is potential exposure of kernel stack memory because aac_send_raw_srb does not initialize the reply structure.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2017-18509

kernel: not checking sk_type and protocol in net/ipv6/ip6mr.c leads to general protection fault, or arbitrary code execution

An issue was discovered in net/ipv6/ip6mr.c in the Linux kernel before 4.11. By setting a specific socket option, an attacker can control a pointer in kernel land and cause an inet_csk_listen_stop general protection fault, or potentially execute arbitrary code under certain circumstances. The issue can be triggered as root (e.g., inside a default LXC container or with the CAP_NET_ADMIN capability) or after namespace unsharing. This occurs because sk_type and protocol are not checked in the appropriate part of the ip6_mroute_* functions. NOTE: this affects Linux distributions that use 4.9.x longterm kernels before 4.9.187.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux
Products
Ubuntu Linux Debian Linux Linux Kernel
CVE-2017-18379

kernel: out of bound access in drivers/nvme/target/fc.c

In the Linux kernel before 4.14, an out of boundary access happened in drivers/nvme/target/fc.c.

CVSS 3.1 · 9.8 Critical EPSS 2.8% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2017-18360

kernel: Division by zero in change_port_settings in drivers/usb/serial/io_ti.c resulting in a denial of service

In change_port_settings in drivers/usb/serial/io_ti.c in the Linux kernel before 4.11.3, local users could cause a denial of service by division-by-zero in the serial device layer by trying to set very high baud rates.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Linux Redhat
Products
Ubuntu Linux Linux Kernel Enterprise Linux and 1 more
CVE-2017-18344

kernel: out-of-bounds access in the show_timer function in kernel/time/posix-timers.c

The timer_create syscall implementation in kernel/time/posix-timers.c in the Linux kernel before 4.14.8 doesn't properly validate the sigevent->sigev_notify field, which leads to out-of-bounds access in the show_timer function (called when /proc/$PID/timers is read). This allows userspace applications to read arbitrary kernel memory (on a kernel built with CONFIG_POSIX_TIMERS and CONFIG_CHECKPOINT_RESTORE).

CVSS 3.0 · 5.5 Medium EPSS 3.4% KEV · Not listed
Vendors
Canonical Linux Redhat
Products
Ubuntu Linux Linux Kernel Enterprise Linux and 13 more
CVE-2017-18269

glibc: memory corruption in memcpy-sse2-unaligned.S

An SSE2-optimized memmove implementation for i386 in sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S in the GNU C Library (aka glibc or libc6) 2.21 through 2.27 does not correctly perform the overlapping memory check if the source memory range spans the middle of the address space, resulting in corrupt data being produced by the copy operation. This may disclose information to context-dependent attackers, or result in a denial of service, or, possibly, code execution.

CVSS 3.0 · 9.8 Critical EPSS 4.5% KEV · Not listed
Vendors
Gnu Linux
Products
Glibc Linux Kernel
CVE-2017-18261

kernel: Infinite recursion in arch/arm64/include/asm/arch_timer.h:arch_timer_reg_read_stable macro allows local users to cause denial of service

The arch_timer_reg_read_stable macro in arch/arm64/include/asm/arch_timer.h in the Linux kernel before 4.13 allows local users to cause a denial of service (infinite recursion) by writing to a file under /sys/kernel/debug in certain circumstances, as demonstrated by a scenario involving debugfs, ftrace, PREEMPT_TRACER, and FUNCTION_GRAPH_TRACER.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2017-18257

kernel: Inifinite loop caused by integer overflow in fs/f2fs/data.c:__get_data_block() allows for denial of service

The __get_data_block function in fs/f2fs/data.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow and loop) via crafted use of the open and fallocate system calls with an FS_IOC_FIEMAP ioctl.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Linux
Products
Debian Linux Linux Kernel
CVE-2017-18255

kernel: Integer overflow in events/core.c:perf_cpu_time_max_percent_handler() can allow for denial of service

The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.

CVSS 3.0 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2017-18249

kernel: Race condition in fs/f2fs/node.c:add_free_nid() function allows local users to cause denial of service

The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12 does not properly track an allocated nid, which allows local users to cause a denial of service (race condition) or possibly have unspecified other impact via concurrent threads.

CVSS 3.0 · 7.0 High EPSS < 1% KEV · Not listed
Vendors
Debian Linux
Products
Debian Linux Linux Kernel
CVE-2017-18241

kernel: Null pointer dereference in fs/f2fs/segment.c via mounting fs with noflush_merge option allows local denial of service

fs/f2fs/segment.c in the Linux kernel before 4.13 allows local users to cause a denial of service (NULL pointer dereference and panic) by using a noflush_merge option that triggers a NULL value for a flush_cmd_control data structure.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux
Products
Ubuntu Linux Debian Linux Linux Kernel
CVE-2017-18232

kernel: Mishandling mutex within libsas allowing local Denial of Service

The Serial Attached SCSI (SAS) implementation in the Linux kernel through 4.15.9 mishandles a mutex within libsas, which allows local users to cause a denial of service (deadlock) by triggering certain error-handling code.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Rhel Extras Rt
CVE-2017-18224

kernel: race condition due to concurrent access to extent tree in fs/ocfs2/aops.c

In the Linux kernel before 4.15, fs/ocfs2/aops.c omits use of a semaphore and consequently has a race condition for access to the extent tree during read operations in DIRECT mode, which allows local users to cause a denial of service (BUG) by modifying a certain e_cpos field.

CVSS 3.0 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2017-18222

kernel: Memory corruption in ethtool_get_strings function in hns driver

In the Linux kernel before 4.12, Hisilicon Network Subsystem (HNS) does not consider the ETH_SS_PRIV_FLAGS case when retrieving sset_count data, which allows local users to cause a denial of service (buffer overflow and memory corruption) or possibly have unspecified other impact, as demonstrated by incompatibility between hns_get_sset_count and ethtool_get_strings.

CVSS 3.0 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2017-18221

kernel: Race condition in __munlock_pagevec function in mm/mlock.c

The __munlock_pagevec function in mm/mlock.c in the Linux kernel before 4.11.4 allows local users to cause a denial of service (NR_MLOCK accounting corruption) via crafted use of mlockall and munlockall system calls.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2017-18218

kernel: Use-after-free vulnerability in drivers/net/ethernet/hisilicon/hns/hns_enet.c allows local attacker to cause denial of service

In drivers/net/ethernet/hisilicon/hns/hns_enet.c in the Linux kernel before 4.13, local users can cause a denial of service (use-after-free and BUG) or possibly have unspecified other impact by leveraging differences in skb handling between hns_nic_net_xmit_hw and hns_nic_net_xmit.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2017-18216

kernel: Null pointer dereference in fs/ocfs2/cluster/nodemanager.c allows local users to cause denial of service

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.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2017-18208

kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service

The madvise_willneed function in mm/madvise.c in the Linux kernel before 4.14.4 allows local users to cause a denial of service (infinite loop) by triggering use of MADVISE_WILLNEED for a DAX mapping.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Enterprise Mrg and 5 more
CVE-2017-18204

kernel: Deadlock caused in fs/ocfs2/file.c:ocfs2_setattr() can allow local users to cause a denial of service

The ocfs2_setattr function in fs/ocfs2/file.c in the Linux kernel before 4.14.2 allows local users to cause a denial of service (deadlock) via DIO requests.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel