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Vulnerability of Linux kernel: denial of service via NFS RPC Reply

Synthesis of the vulnerability 

An attacker can generate a fatal error via NFS RPC Reply on the Linux kernel, in order to trigger a denial of service.
Vulnerable systems: Blue Coat CAS, Debian, Fedora, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Symantec Content Analysis, Synology DSM, Synology DS***, Synology RS***, Ubuntu.
Severity of this threat: 2/4.
Creation date: 28/04/2017.
Références of this weakness: CERTFR-2017-AVI-162, CERTFR-2017-AVI-169, CERTFR-2018-AVI-228, CERTFR-2018-AVI-408, CVE-2017-7645, DLA-993-1, DLA-993-2, DSA-3886-1, DSA-3886-2, FEDORA-2017-0aa0f69e0c, FEDORA-2017-7462231059, openSUSE-SU-2017:1513-1, RHSA-2017:1615-01, RHSA-2017:1616-01, RHSA-2018:1319-01, SA148, SUSE-SU-2017:1360-1, USN-3312-1, USN-3312-2, USN-3314-1, USN-3361-1, USN-3754-1, VIGILANCE-VUL-22580.

Description of the vulnerability 

An attacker can generate a fatal error via NFS RPC Reply on the Linux kernel, in order to trigger a denial of service.
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This computer vulnerability impacts software or systems such as Blue Coat CAS, Debian, Fedora, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Symantec Content Analysis, Synology DSM, Synology DS***, Synology RS***, Ubuntu.

Our Vigil@nce team determined that the severity of this weakness bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of intranet server.

An attacker with a expert ability can exploit this weakness.

Solutions for this threat 

Linux kernel: version 4.10.14.
The version 4.10.14 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.26.
The version 4.9.26 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.66.
The version 4.4.66 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.1.40.
The version 4.1.40 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.18.52.
The version 3.18.52 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: version 3.16.44.
The version 3.16.44 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.16.44.tar.xz

Linux kernel: version 3.12.74.
The version 3.12.74 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: version 3.10.107.
The version 3.10.107 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: version 3.2.89.
The version 3.2.89 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.2.89.tar.xz

Blue Coat Content Analysis System: solution for Linux.
The version 2.1.1.1 is partly fixed.

Debian 7: new linux packages.
New packages are available:
  Debian 7: linux 3.2.89-2

Debian 8/9: new linux packages.
New packages are available:
  Debian 8: linux 3.16.43-2+deb8u2
  Debian 9: linux 4.9.30-2+deb9u2

Fedora 24: new kernel packages.
New packages are available:
  Fedora 24: kernel 4.10.13-100.fc24

Fedora 25: new kernel packages.
New packages are available:
  Fedora 25: kernel 4.10.12-200.fc25

openSUSE Leap 42.2: new kernel packages.
New packages are available:
  openSUSE Leap 42.2: kernel-default 4.4.70-18.9.1, kernel-vanilla 4.4.70-18.9.1

RHEL 6: new kernel packages.
New packages are available:
  RHEL 6: kernel 2.6.32-696.28.1.el6

RHEL 7: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-514.26.1.el7

RHEL 7: new kernel-rt packages.
New packages are available:
  RHEL 7: kernel-rt 3.10.0-514.26.1.rt56.442.el7

SUSE LE 12 SP1: new kernel packages.
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.74-60.64.40.1

Synology DSM: workaround for CVE-2017-7645, CVE-2017-7895.
A workaround is indicated in the information source. It relies on IP filtering.

Ubuntu 14.04: new linux-image-3.13.0 packages.
New packages are available:
  Ubuntu 14.04 LTS: linux-image-generic 3.13.0.157.167

Ubuntu 16.04: new linux-image-generic packages (21/07/2017).
New packages are available:
  Ubuntu 16.04 LTS: linux-image-generic 4.10.0.27.30

Ubuntu: new linux-image-4.10.0 packages.
New packages are available:
  Ubuntu 17.04: linux-image-4.10.0-22-generic 4.10.0-22.24, linux-image-generic 4.10.0.22.24

Ubuntu: new linux-image-4.4.0 packages.
New packages are available:
  Ubuntu 14.04 LTS: linux-image 4.4.0-79.100~14.04.1
  Ubuntu 16.04 LTS: linux-image 4.4.0-79.100
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