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CVE-2017-2634

kernel: dccp: crash while sending ipv6 reset packet

It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.

CVSS 3.0 · 7.5 High EPSS 5.2% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Enterprise Linux Desktop and 5 more
CVE-2017-2618

kernel: Off-by-one error in selinux_setprocattr (/proc/self/attr/fscreate)

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Linux Redhat
Products
Debian Linux Linux Kernel Enterprise Linux and 7 more
CVE-2017-18595

kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c

An issue was discovered in the Linux kernel before 4.14.11. A double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Linux Opensuse Redhat
Products
Linux Kernel Leap Enterprise Linux and 6 more
CVE-2017-18551

kernel: out of bounds write in function i2c_smbus_xfer_emulated in drivers/i2c/i2c-core-smbus.c

An issue was discovered in drivers/i2c/i2c-core-smbus.c in the Linux kernel before 4.14.15. There is an out of bounds write in the function i2c_smbus_xfer_emulated.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Opensuse Redhat
Products
Linux Kernel Leap Enterprise Linux and 5 more
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-2017-18232

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-2017-18208

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-2017-18203

kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows local users to cause a denial of service

The dm_get_from_kobject function in drivers/md/dm.c in the Linux kernel before 4.14.3 allow local users to cause a denial of service (BUG) by leveraging a race condition with __dm_destroy during creation and removal of DM devices.

CVSS 3.0 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Rhel Extras Rt
CVE-2017-18202

kernel: Infoleak/use-after-free in __oom_reap_task_mm function in mm/oom_kill.c

The __oom_reap_task_mm function in mm/oom_kill.c in the Linux kernel before 4.14.4 mishandles gather operations, which allows attackers to cause a denial of service (TLB entry leak or use-after-free) or possibly have unspecified other impact by triggering a copy_to_user call within a certain time window.

CVSS 3.1 · 7.0 High EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux
CVE-2017-18075

kernel: Mishandled freeing of instances in pcrypt.c can allow a local user to cause a denial of service

crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Linux Redhat
Products
Ubuntu Linux Linux Kernel Enterprise Linux
CVE-2017-15129

kernel: net: double-free and memory corruption in get_net_ns_by_id()

A use-after-free vulnerability was found in network namespaces code affecting the Linux kernel before 4.14.11. The function get_net_ns_by_id() in net/core/net_namespace.c does not check for the net::count value after it has found a peer network in netns_ids idr, which could lead to double free and memory corruption. This vulnerability could allow an unprivileged local user to induce kernel memory corruption on the system, leading to a crash. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although it is thought to be unlikely.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Fedoraproject Linux and 1 more
Products
Ubuntu Linux Fedora Linux Kernel and 19 more
CVE-2017-15128

kernel: Out of bound access in hugetlb_mcopy_atomic_pte function in mm/hugetlb.c

A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13.12. A lack of size check could cause a denial of service (BUG).

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Enterprise Mrg
CVE-2017-15127

kernel: Improper error handling of VM_SHARED hugetlbfs mapping in mm/hugetlb.c

A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VM_SHARED hugetlbfs mapping could trigger a local denial of service (BUG).

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Enterprise Mrg and 1 more
CVE-2017-15126

kernel: Use-after-free in userfaultfd_event_wait_completion function in userfaultfd.c

A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put().

CVSS 3.1 · 8.1 High EPSS 4.1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Rhel Extras Rt
CVE-2016-9604

kernel: security: The built-in keyrings for security tokens can be joined as a session and then modified by the root user

It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal keyring, such as '.dns_resolver' in RHEL-7 or '.builtin_trusted_keys' upstream, by joining it as its session keyring. This allows root to bypass module signature verification by adding a new public key of its own devising to the keyring.

CVSS 3.0 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Enterprise Mrg and 1 more
CVE-2016-5285

nss: Missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime causes server crash

A Null pointer dereference vulnerability exists in Mozilla Network Security Services due to a missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime, which could let a remote malicious user cause a Denial of Service.

CVSS 3.1 · 7.5 High EPSS 2.3% KEV · Not listed
Vendors
Avaya Debian Mozilla and 2 more
Products
Aura Application Enablement Services Aura Application Server 5300 Aura Communication Manager and 29 more
CVE-2016-5202

chromium-browser: various fixes from internal audits

browser/extensions/api/dial/dial_registry.cc in Google Chrome before 54.0.2840.98 on macOS, before 54.0.2840.99 on Windows, and before 54.0.2840.100 on Linux neglects to copy a device ID before an erase() call, which causes the erase operation to access data that that erase operation will destroy.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Apple Google Linux and 2 more
Products
Macos Chrome Linux Kernel and 2 more
CVE-2016-10741

kernel: race condition between direct and memory-mapped I/O in fs/xfs/xfs_aops.c

In the Linux kernel before 4.9.3, fs/xfs/xfs_aops.c allows local users to cause a denial of service (system crash) because there is a race condition between direct and memory-mapped I/O (associated with a hole) that is handled with BUG_ON instead of an I/O failure.

CVSS 3.0 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Linux Redhat
Products
Debian Linux Linux Kernel Enterprise Linux and 2 more