The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Linux kernel: NULL pointer dereference via ipv4_pktinfo_prepare

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via ipv4_pktinfo_prepare() on the Linux kernel, in order to trigger a denial of service.
Impacted products: Blue Coat CAS, Broadcom Content Analysis, Debian, BIG-IP Hardware, TMOS, Fedora, Android OS, QRadar SIEM, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 1/4.
Creation date: 13/02/2017.
Références of this threat: 2011746, CERTFR-2017-AVI-060, CERTFR-2017-AVI-128, CERTFR-2017-AVI-282, CERTFR-2017-AVI-287, CERTFR-2017-AVI-307, CERTFR-2017-AVI-311, CVE-2017-5970, DLA-922-1, DSA-3791-1, FEDORA-2017-0054c7b1f0, FEDORA-2017-787bc0d5b4, K60104355, openSUSE-SU-2017:0541-1, openSUSE-SU-2017:0547-1, RHSA-2017:1842-01, RHSA-2017:2077-01, RHSA-2017:2669-01, SA148, SUSE-SU-2017:0517-1, SUSE-SU-2017:0575-1, SUSE-SU-2017:1247-1, SUSE-SU-2017:1301-1, SUSE-SU-2017:1990-1, SUSE-SU-2017:2342-1, SUSE-SU-2017:2525-1, USN-3265-1, USN-3265-2, USN-3361-1, USN-3422-1, USN-3422-2, VIGILANCE-VUL-21801.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via ipv4_pktinfo_prepare() on the Linux kernel, in order to trigger a denial of service.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This security weakness impacts software or systems such as Blue Coat CAS, Broadcom Content Analysis, Debian, BIG-IP Hardware, TMOS, Fedora, Android OS, QRadar SIEM, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

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

An attacker with a expert ability can exploit this threat.

Solutions for this threat 

Linux kernel: version 4.9.11.
The version 4.9.11 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.50.
The version 4.4.50 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.18.49.
The version 3.18.49 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: version 3.16.41.
The version 3.16.41 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: version 3.12.71.
The version 3.12.71 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: version 3.10.106.
The version 3.10.106 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.10.106.tar.xz

Linux kernel: version 3.2.88.
The version 3.2.88 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: patch for ipv4_pktinfo_prepare.
A patch is indicated in information sources.

Android OS: patches 2017-07-01 and 2017-07-05.
A patch is indicated in information sources.

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

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.39-1+deb8u1

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

F5 BIG-IP: solution for Linux.
The solution is indicated in information sources.

Fedora: new kernel packages.
New packages are available:
  Fedora 24: kernel 4.9.10-100.fc24
  Fedora 25: kernel 4.9.10-200.fc25

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

openSUSE Leap: new kernel packages.
New packages are available:
  openSUSE Leap 42.1: kernel 4.1.38-50.1
  openSUSE Leap 42.2: kernel 4.4.49-16.1

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 3.12.69-60.64.32.1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.49-92.11.1

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 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-3.13.0 packages.
New packages are available:
  Ubuntu 12.04 ESM: linux-image-3.13.0-132-generic 3.13.0-132.181~precise1
  Ubuntu 14.04 LTS: linux-image-3.13.0-132-generic 3.13.0-132.181

Ubuntu: new linux-image-generic 4.4 packages.
New packages are available:
  Ubuntu 14.04 LTS: linux-image-generic-lts-xenial 4.4.0.75.62
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.75.81
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides a software vulnerabilities database. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.