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Vulnerability of Linux kernel: denial of service via ping_unhash

Synthesis of the vulnerability 

An attacker can generate a fatal error via ping_unhash() on the Linux kernel, in order to trigger a denial of service.
Vulnerable products: Debian, Fedora, QRadar SIEM, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this weakness: 1/4.
Creation date: 27/03/2017.
Références of this bulletin: 2011746, CERTFR-2017-AVI-141, CERTFR-2017-AVI-162, CERTFR-2017-AVI-169, CERTFR-2017-AVI-282, CERTFR-2017-AVI-287, CERTFR-2017-AVI-311, CERTFR-2018-AVI-408, CVE-2017-2671, DLA-922-1, FEDORA-2017-26c9ecd7a4, FEDORA-2017-3a9ec92dd6, FEDORA-2017-502cf68d68, FEDORA-2017-8e7549fb91, openSUSE-SU-2017:1140-1, openSUSE-SU-2017:1215-1, RHSA-2017:1842-01, RHSA-2017:2077-01, RHSA-2017:2669-01, RHSA-2018:1854-01, SUSE-SU-2017:1183-1, SUSE-SU-2017:1247-1, SUSE-SU-2017:1301-1, SUSE-SU-2017:1360-1, SUSE-SU-2017:1990-1, SUSE-SU-2017:2342-1, SUSE-SU-2017:2525-1, USN-3312-1, USN-3312-2, USN-3314-1, USN-3361-1, USN-3754-1, VIGILANCE-VUL-22254.

Description of the vulnerability 

An attacker can generate a fatal error via ping_unhash() on the Linux kernel, in order to trigger a denial of service.
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This computer vulnerability announce impacts software or systems such as Debian, Fedora, QRadar SIEM, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin is low.

The trust level is of type confirmed by the editor, with an origin of user shell.

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this threat alert.

Solutions for this threat 

Linux kernel: patch for ping_unhash.
A patch is indicated in information sources.

Debian: new linux packages.
New packages are available:
  Debian 7: linux 3.2.88-1
  Debian 8: linux 3.16.43-1

Fedora: new kernel packages.
New packages are available:
  Fedora 24: kernel 4.10.10-100.fc24
  Fedora 25: kernel 4.10.10-200.fc25

IBM QRadar Network Security: solution for Linux.
The solution is indicated in information sources.

openSUSE Leap 42.1: new kernel packages.
New packages are available:
  openSUSE Leap 42.1: kernel 4.1.39-56.1

openSUSE Leap 42.2: new kernel packages.
New packages are available:
  openSUSE Leap 42.2: kernel 4.4.62-18.6.1

RHEL 6: new kernel packages.
New packages are available:
  RHEL 6: kernel 2.6.32-754.el6

RHEL 6: new kernel-rt packages.
New packages are available:
  RHEL 6: kernel-rt 3.10.0-693.2.1.rt56.585.el6rt

RHEL 7: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-693.el7

RHEL 7: new kernel-rt packages.
New packages are available:
  RHEL 7: kernel-rt 3.10.0-693.rt56.617.el7

SUSE LE 11 SP3: new kernel packages.
New packages are available:
  SUSE LE 11 SP3: kernel 3.0.101-0.47.106.5.1

SUSE LE 11 SP4: new kernel packages.
New packages are available:
  SUSE LE 11 SP4: kernel 3.0.101-100.1

SUSE LE 11 SP4: new kernel-rt packages (05/09/2017).
New packages are available:
  SUSE LE 11 SP4: kernel-rt 3.0.101.rt130-69.5.1

SUSE LE 12 RTM: new kernel packages.
New packages are available:
  SUSE LE 12 RTM: kernel 3.12.61-52.72.1

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

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.59-92.17.3

SUSE LE 12 SP2: new kernel-rt packages (28/07/2017).
New packages are available:
  SUSE LE 12 SP2: kernel-rt 4.4.74-7.10.1

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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