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CVE-2016-6828

kernel: Use after free in tcp_xmit_retransmit_queue

The tcp_check_send_head function in include/net/tcp.h in the Linux kernel before 4.7.5 does not properly maintain certain SACK state after a failed data copy, which allows local users to cause a denial of service (tcp_xmit_retransmit_queue use-after-free and system crash) via a crafted SACK option.

CVSS 3.0 · 5.5 Medium EPSS 1.2% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Enterprise Mrg and 1 more
CVE-2015-8812

kernel: CXGB3: Logic bug in return code handling prematurely frees key structures causing Use after free or kernel panic.

drivers/infiniband/hw/cxgb3/iwch_cm.c in the Linux kernel before 4.5 does not properly identify error conditions, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted packets.

CVSS 3.1 · 9.8 Critical EPSS 14.5% KEV · Not listed
Vendors
Canonical Linux Novell and 1 more
Products
Ubuntu Linux Linux Kernel Suse Linux Enterprise Real Time Extension and 2 more
CVE-2016-6480

kernel: scsi: aacraid: double fetch in ioctl_send_fib()

Race condition in the ioctl_send_fib function in drivers/scsi/aacraid/commctrl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (out-of-bounds access or system crash) by changing a certain size value, aka a "double fetch" vulnerability.

CVSS 3.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Rhel Extras Rt
CVE-2016-6327

kernel: infiniband: Kernel crash by sending ABORT_TASK command

drivers/infiniband/ulp/srpt/ib_srpt.c in the Linux kernel before 4.5.1 allows local users to cause a denial of service (NULL pointer dereference and system crash) by using an ABORT_TASK command to abort a device write operation.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Rhel Extras Rt
CVE-2015-8767

kernel: SCTP denial of service during timeout

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.

CVSS 3.0 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 3 more
CVE-2015-2830

kernel: int80 fork from 64-bit tasks mishandling

arch/x86/kernel/entry_64.S in the Linux kernel before 3.19.2 does not prevent the TS_COMPAT flag from reaching a user-mode task, which might allow local users to bypass the seccomp or audit protection mechanism via a crafted application that uses the (1) fork or (2) close system call, as demonstrated by an attack against seccomp before 3.16.

CVSS 2.0 · 1.9 Low EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 3 more
CVE-2016-7117

kernel: Use-after-free in the recvmmsg exit path

Use-after-free vulnerability in the __sys_recvmmsg function in net/socket.c in the Linux kernel before 4.5.2 allows remote attackers to execute arbitrary code via vectors involving a recvmmsg system call that is mishandled during error processing.

CVSS 3.1 · 9.8 Critical EPSS 23.6% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 7 more
CVE-2016-6213

kernel: Overflowing kernel mount table using shared bind mount

fs/namespace.c in the Linux kernel before 4.9 does not restrict how many mounts may exist in a mount namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of mounts.

CVSS 3.0 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Rhel Extras Rt
CVE-2016-6198

kernel: vfs: missing detection of hardlinks in vfs_rename() on overlayfs

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Oracle Redhat
Products
Linux Kernel Linux Vm Server and 2 more
CVE-2015-8746

kernel: when NFSv4 migration is executed, kernel oops occurs at NFS client

fs/nfs/nfs4proc.c in the NFS client in the Linux kernel before 4.2.2 does not properly initialize memory for migration recovery operations, which allows remote NFS servers to cause a denial of service (NULL pointer dereference and panic) via crafted network traffic.

CVSS 3.0 · 7.5 High EPSS 3.1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Rhel Extras Rt
CVE-2016-6197

kernel: overlayfs: missing upper dentry verification before unlink and rename

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Oracle Redhat
Products
Linux Kernel Linux Vm Server and 2 more
CVE-2016-6136

kernel: Race condition vulnerability in execve argv arguments

Race condition in the audit_log_single_execve_arg function in kernel/auditsc.c in the Linux kernel through 4.7 allows local users to bypass intended character-set restrictions or disrupt system-call auditing by changing a certain string, aka a "double fetch" vulnerability.

CVSS 3.0 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Rhel Extras Rt
CVE-2015-8660

kernel: Permission bypass on overlayfs during copy_up

The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.

CVSS 3.1 · 6.7 Medium EPSS 22.2% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Enterprise Mrg and 1 more
CVE-2015-2666

kernel: execution in the early microcode loader

Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.

CVSS 2.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Linux Redhat
Products
Fedora Linux Kernel Enterprise Linux and 1 more
CVE-2016-5829

kernel: Heap buffer overflow in hiddev driver

Multiple heap-based buffer overflows in the hiddev_ioctl_usage function in drivers/hid/usbhid/hiddev.c in the Linux kernel through 4.6.3 allow local users to cause a denial of service or possibly have unspecified other impact via a crafted (1) HIDIOCGUSAGES or (2) HIDIOCSUSAGES ioctl call.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 2 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 3 more
CVE-2016-5696

kernel: challenge ACK counter information disclosure.

net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.

CVSS 3.0 · 4.8 Medium EPSS 14.5% KEV · Not listed
Vendors
Google Linux Oracle and 1 more
Products
Android Linux Kernel Vm Server and 5 more
CVE-2015-8543

kernel: IPv6 connect causes DoS via NULL pointer dereference

The networking implementation in the Linux kernel through 4.3.3, as used in Android and other products, does not validate protocol identifiers for certain protocol families, which allows local users to cause a denial of service (NULL function pointer dereference and system crash) or possibly gain privileges by leveraging CLONE_NEWUSER support to execute a crafted SOCK_RAW application.

CVSS 3.1 · 7.0 High EPSS 1.2% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux Rhel Extras Rt
CVE-2014-9529

kernel: use-after-free during key garbage collection

Race condition in the key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 3.18.2 allows local users to cause a denial of service (memory corruption or panic) or possibly have unspecified other impact via keyctl commands that trigger access to a key structure member during garbage collection of a key.

CVSS 2.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 3 more
Products
Ubuntu Linux Debian Linux Fedora and 11 more
CVE-2016-4998

kernel: out of bounds reads when processing IPT_SO_SET_REPLACE setsockopt

The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted offset value that leads to crossing a ruleset blob boundary.

CVSS 3.0 · 7.1 High EPSS 1.9% KEV · Not listed
Vendors
Canonical Linux Oracle and 1 more
Products
Ubuntu Linux Linux Kernel Linux and 3 more
CVE-2015-8539

kernel: local privesc in key management

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.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Linux Redhat and 1 more
Products
Ubuntu Linux Linux Kernel Enterprise Linux and 3 more