Issued:
2018-04-10
Updated:
2018-04-10

RHSA-2018:1062 - Important: kernel security, bug fix, and enhancement update

Synopsis

Important: kernel security, bug fix, and enhancement update

Type/Severity

Security Advisory Important

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • hw: cpu: speculative execution permission faults handling (CVE-2017-5754, Important, KVM for Power)

  • kernel: Buffer overflow in firewire driver via crafted incoming packets (CVE-2016-8633, Important)

  • kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824, Important)

  • Kernel: kvm: nVMX: L2 guest could access hardware(L0) CR8 register (CVE-2017-12154, Important)

  • kernel: v4l2: disabled memory access protection mechanism allowing privilege escalation (CVE-2017-13166, Important)

  • kernel: media: use-after-free in [tuner-xc2028] media driver (CVE-2016-7913, Moderate)

  • kernel: drm/vmwgfx: fix integer overflow in vmw_surface_define_ioctl() (CVE-2017-7294, Moderate)

  • kernel: Incorrect type conversion for size during dma allocation (CVE-2017-9725, Moderate)

  • kernel: memory leak when merging buffers in SCSI IO vectors (CVE-2017-12190, Moderate)

  • kernel: vfs: BUG in truncate_inode_pages_range() and fuse client (CVE-2017-15121, Moderate)

  • kernel: Use-after-free in userfaultfd_event_wait_completion function in userfaultfd.c (CVE-2017-15126, Moderate)

  • kernel: net: double-free and memory corruption in get_net_ns_by_id() (CVE-2017-15129, Moderate)

  • kernel: Use-after-free in snd_seq_ioctl_create_port() (CVE-2017-15265, Moderate)

  • kernel: Missing capabilities check in net/netfilter/nfnetlink_cthelper.c allows for unprivileged access to systemwide nfnl_cthelper_list structure (CVE-2017-17448, Moderate)

  • kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity (CVE-2017-17449, Moderate)

  • kernel: Unallocated memory access by malicious USB device via bNumInterfaces overflow (CVE-2017-17558, Moderate)

  • kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c (CVE-2017-18017, Moderate)

  • kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows local users to cause a denial of service (CVE-2017-18203, Moderate)

  • kernel: kvm: Reachable BUG() on out-of-bounds guest IRQ (CVE-2017-1000252, Moderate)

  • Kernel: KVM: DoS via write flood to I/O port 0x80 (CVE-2017-1000407, Moderate)

  • kernel: Stack information leak in the EFS element (CVE-2017-1000410, Moderate)

  • kernel: Kernel address information leak in drivers/acpi/sbshc.c:acpi_smbus_hc_add() function potentially allowing KASLR bypass (CVE-2018-5750, Moderate)

  • kernel: Race condition in sound system can lead to denial of service (CVE-2018-1000004, Moderate)

  • kernel: multiple Low security impact security issues (CVE-2016-3672, CVE-2017-14140, CVE-2017-15116, CVE-2017-15127, CVE-2018-6927, Low)

Red Hat would like to thank Eyal Itkin for reporting CVE-2016-8633; Google Project Zero for reporting CVE-2017-5754; Mohamed Ghannam for reporting CVE-2017-8824; Jim Mattson (Google.com) for reporting CVE-2017-12154; Vitaly Mayatskih for reporting CVE-2017-12190; Andrea Arcangeli (Engineering) for reporting CVE-2017-15126; Kirill Tkhai for reporting CVE-2017-15129; Jan H. Schönherr (Amazon) for reporting CVE-2017-1000252; and Armis Labs for reporting CVE-2017-1000410. The CVE-2017-15121 issue was discovered by Miklos Szeredi (Red Hat) and the CVE-2017-15116 issue was discovered by ChunYu Wang (Red Hat).

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.5 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

ProductVersionArch
Red Hat Virtualization Host4x86_64
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions7.7x86_64
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions7.6x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support7.7x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support7.6x86_64
Red Hat Enterprise Linux for Scientific Computing7x86_64
Red Hat Enterprise Linux for Power, little endian7ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support7.7ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support7.6ppc64le
Red Hat Enterprise Linux for Power, big endian7ppc64
Red Hat Enterprise Linux for Power, big endian - Extended Update Support7.7ppc64
Red Hat Enterprise Linux for Power, big endian - Extended Update Support7.6ppc64
Red Hat Enterprise Linux for IBM z Systems7s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support7.7s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support7.6s390x
Red Hat Enterprise Linux Workstation7x86_64
Red Hat Enterprise Linux Server7x86_64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions7.7ppc64le
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions7.6ppc64le
Red Hat Enterprise Linux Server - TUS7.7x86_64
Red Hat Enterprise Linux Server - TUS7.6x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian7ppc64le
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian7ppc64
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)7s390x
Red Hat Enterprise Linux Server - AUS7.7x86_64
Red Hat Enterprise Linux Server - AUS7.6x86_64
Red Hat Enterprise Linux EUS Compute Node7.7x86_64
Red Hat Enterprise Linux EUS Compute Node7.6x86_64
Red Hat Enterprise Linux Desktop7x86_64

Updated Packages

  • kernel-bootwrapper-3.10.0-862.el7.ppc64.rpm
  • kernel-abi-whitelists-3.10.0-862.el7.noarch.rpm
  • kernel-doc-3.10.0-862.el7.noarch.rpm
  • kernel-3.10.0-862.el7.x86_64.rpm
  • perf-3.10.0-862.el7.s390x.rpm
  • kernel-debuginfo-common-ppc64le-3.10.0-862.el7.ppc64le.rpm
  • kernel-kdump-3.10.0-862.el7.s390x.rpm
  • kernel-debuginfo-common-ppc64-3.10.0-862.el7.ppc64.rpm
  • kernel-debug-debuginfo-3.10.0-862.el7.ppc64.rpm
  • kernel-devel-3.10.0-862.el7.ppc64.rpm
  • kernel-debug-debuginfo-3.10.0-862.el7.s390x.rpm
  • perf-3.10.0-862.el7.x86_64.rpm
  • kernel-debuginfo-3.10.0-862.el7.x86_64.rpm
  • kernel-debug-3.10.0-862.el7.x86_64.rpm
  • kernel-debuginfo-common-x86_64-3.10.0-862.el7.x86_64.rpm
  • kernel-debug-debuginfo-3.10.0-862.el7.ppc64le.rpm
  • kernel-tools-3.10.0-862.el7.ppc64.rpm
  • kernel-headers-3.10.0-862.el7.ppc64le.rpm
  • perf-debuginfo-3.10.0-862.el7.ppc64.rpm
  • kernel-debuginfo-common-s390x-3.10.0-862.el7.s390x.rpm
  • perf-debuginfo-3.10.0-862.el7.ppc64le.rpm
  • perf-3.10.0-862.el7.ppc64.rpm
  • kernel-debug-3.10.0-862.el7.ppc64.rpm
  • kernel-kdump-devel-3.10.0-862.el7.s390x.rpm
  • kernel-debug-devel-3.10.0-862.el7.s390x.rpm
  • kernel-bootwrapper-3.10.0-862.el7.ppc64le.rpm
  • kernel-debug-devel-3.10.0-862.el7.x86_64.rpm
  • kernel-devel-3.10.0-862.el7.s390x.rpm
  • kernel-devel-3.10.0-862.el7.x86_64.rpm
  • kernel-debug-devel-3.10.0-862.el7.ppc64le.rpm
  • kernel-tools-debuginfo-3.10.0-862.el7.ppc64le.rpm
  • perf-debuginfo-3.10.0-862.el7.s390x.rpm
  • kernel-debuginfo-3.10.0-862.el7.s390x.rpm
  • kernel-headers-3.10.0-862.el7.ppc64.rpm
  • kernel-tools-libs-devel-3.10.0-862.el7.ppc64.rpm
  • kernel-tools-libs-3.10.0-862.el7.x86_64.rpm
  • python-perf-3.10.0-862.el7.ppc64le.rpm
  • kernel-debug-devel-3.10.0-862.el7.ppc64.rpm
  • kernel-tools-3.10.0-862.el7.ppc64le.rpm
  • python-perf-3.10.0-862.el7.ppc64.rpm
  • perf-debuginfo-3.10.0-862.el7.x86_64.rpm
  • perf-3.10.0-862.el7.ppc64le.rpm
  • python-perf-3.10.0-862.el7.s390x.rpm
  • kernel-kdump-debuginfo-3.10.0-862.el7.s390x.rpm
  • python-perf-debuginfo-3.10.0-862.el7.ppc64.rpm
  • kernel-debug-debuginfo-3.10.0-862.el7.x86_64.rpm
  • python-perf-debuginfo-3.10.0-862.el7.ppc64le.rpm
  • kernel-3.10.0-862.el7.ppc64.rpm
  • python-perf-debuginfo-3.10.0-862.el7.x86_64.rpm
  • kernel-debuginfo-3.10.0-862.el7.ppc64.rpm
  • kernel-3.10.0-862.el7.src.rpm
  • kernel-tools-libs-devel-3.10.0-862.el7.x86_64.rpm
  • kernel-3.10.0-862.el7.ppc64le.rpm
  • kernel-debug-3.10.0-862.el7.ppc64le.rpm
  • python-perf-3.10.0-862.el7.x86_64.rpm
  • kernel-debug-3.10.0-862.el7.s390x.rpm
  • kernel-headers-3.10.0-862.el7.x86_64.rpm
  • kernel-debuginfo-3.10.0-862.el7.ppc64le.rpm
  • kernel-tools-libs-3.10.0-862.el7.ppc64.rpm
  • python-perf-debuginfo-3.10.0-862.el7.s390x.rpm
  • kernel-tools-debuginfo-3.10.0-862.el7.x86_64.rpm
  • kernel-tools-libs-3.10.0-862.el7.ppc64le.rpm
  • kernel-tools-3.10.0-862.el7.x86_64.rpm
  • kernel-headers-3.10.0-862.el7.s390x.rpm
  • kernel-tools-debuginfo-3.10.0-862.el7.ppc64.rpm
  • kernel-3.10.0-862.el7.s390x.rpm
  • kernel-tools-libs-devel-3.10.0-862.el7.ppc64le.rpm
  • kernel-devel-3.10.0-862.el7.ppc64le.rpm

Fixes

CVEs

References

Additional information