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Vulnerability of Linux kernel: NULL pointer dereference via stv06xx

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via stv06xx of the Linux kernel, in order to trigger a denial of service.
Impacted products: Debian, Linux, openSUSE Leap, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 1/4.
Creation date: 08/04/2020.
Références of this threat: CERTFR-2020-AVI-252, CERTFR-2020-AVI-300, CERTFR-2020-AVI-312, CERTFR-2020-AVI-318, CERTFR-2020-AVI-326, CERTFR-2020-AVI-368, CVE-2020-11609, DLA-2241-1, DLA-2241-2, DLA-2242-1, DSA-4698-1, openSUSE-SU-2020:0801-1, SSA:2020-163-01, SUSE-SU-2020:1255-1, SUSE-SU-2020:1663-1, USN-4345-1, USN-4364-1, USN-4368-1, USN-4369-1, USN-4369-2, VIGILANCE-VUL-31953.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via stv06xx of the Linux kernel, in order to trigger a denial of service.
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This threat note impacts software or systems such as Debian, Linux, openSUSE Leap, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity note 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 vulnerability note.

Solutions for this threat 

Linux kernel: version 5.6.1.
The version 5.6.1 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.5.14.
The version 5.5.14 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.4.29.
The version 5.4.29 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.114.
The version 4.19.114 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.175.
The version 4.14.175 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.218.
The version 4.9.218 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.218.
The version 4.4.218 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.83.
The version 3.16.83 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.16.83.tar.xz

Linux kernel: patch for stv06xx.
A patch is indicated in information sources.

Debian 8: new linux-4.9 packages.
New packages are available:
  Debian 8: linux-4.9 4.9.210-1+deb9u1~deb8u1

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.84-1

Debian 9: new linux packages.
New packages are available:
  Debian 9: linux 4.9.210-1+deb9u1

openSUSE Leap 15.1: new kernel packages.
New packages are available:
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.52.1

Slackware 14.2: new kernel packages.
New packages are available:
  Slackware 14.2: kernel 4.4.227-i586-1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel-default 4.4.121-92.129.1

SUSE LE 15: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.52.1

Ubuntu 18.04 LTS: new linux-image-5.0 packages.
New packages are available:
  Ubuntu 18.04 LTS: linux-image-5.0.0-1037-gke 5.0.0-1037.38, linux-image-5.0.0-1052-oem-osp1 5.0.0-1052.57, linux-image-gke-5.0 5.0.0.1037.25, linux-image-oem-osp1 5.0.0.1052.55

Ubuntu: new linux-image-4.15.0 packages (29/04/2020).
New packages are available, as indicated in information sources.

Ubuntu: new linux-image-4.4.0 packages.
New packages are available, as indicated in information sources.

Ubuntu: new linux-image-5.3.0 packages.
New packages are available:
  Ubuntu 18.04 LTS: linux-image-generic-hwe-18.04 5.3.0.53.109
  Ubuntu 19.10: linux-image-generic 5.3.0.53.45

Wind River Linux: version 10.17.41.21.
The version 10.17.41.21 is fixed:
  https://support2.windriver.com/

Wind River Linux: version 10.18.44.17.
The version 10.18.44.17 is fixed:
  https://support2.windriver.com/

Wind River Linux: version 10.19.45.8.
The version 10.19.45.8 is fixed.
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