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Vulnerability of Linux kernel: out-of-bounds memory reading via create_pinctrl

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via create_pinctrl of the Linux kernel, in order to trigger a denial of service, or to obtain sensitive information.
Impacted products: Debian, Android OS, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 2/4.
Creation date: 02/10/2020.
Références of this threat: CERTFR-2020-AVI-625, CERTFR-2020-AVI-642, CERTFR-2020-AVI-672, CERTFR-2020-AVI-678, CERTFR-2020-AVI-764, CERTFR-2020-AVI-776, CERTFR-2020-AVI-784, CERTFR-2020-AVI-786, CERTFR-2020-AVI-834, CERTFR-2021-AVI-201, CVE-2020-0427, DLA-2494-1, openSUSE-SU-2020:1586-1, openSUSE-SU-2020:1655-1, openSUSE-SU-2021:0242-1, RHSA-2021:0856-01, RHSA-2021:0857-01, SUSE-SU-2020:2879-1, SUSE-SU-2020:2904-1, SUSE-SU-2020:2905-1, SUSE-SU-2020:2906-1, SUSE-SU-2020:2907-1, SUSE-SU-2020:2908-1, SUSE-SU-2020:2999-1, SUSE-SU-2020:3014-1, SUSE-SU-2020:3501-1, SUSE-SU-2020:3503-1, SUSE-SU-2020:3532-1, SUSE-SU-2020:3544-1, USN-4657-1, VIGILANCE-VUL-33471.

Description of the vulnerability 

An attacker can force a read at an invalid address via create_pinctrl of the Linux kernel, in order to trigger a denial of service, or to obtain sensitive information.
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This computer vulnerability note impacts software or systems such as Debian, Android OS, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer vulnerability announce is medium.

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 cybersecurity announce.

Solutions for this threat 

Linux kernel: version 5.4.7.
The version 5.4.7 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.92.
The version 4.19.92 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.161.
The version 4.14.161 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.244.
The version 4.9.244 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.244.
The version 4.4.244 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

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

Debian 9: new linux packages.
New packages are available:
  Debian 9: linux 4.9.246-2

Google Android/Pixel: patch for September 2020.
A patch is indicated in information sources.

openSUSE Leap 15.1: new kernel packages (12/10/2020).
New packages are available:
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.71.1

openSUSE Leap 15.2: new kernel packages (02/10/2020).
New packages are available:
  openSUSE Leap 15.2: kernel 5.3.18-lp152.44.1

openSUSE Leap 15.2: new kernel-rt packages.
New packages are available:
  openSUSE Leap 15.2: kernel-rt 5.3.18-lp152.3.5.1

RHEL 7.9: new kernel packages.
New packages are available:
  RHEL 7.9: kernel 3.10.0-1160.21.1.el7

RHEL 7.9: new kernel-rt packages.
New packages are available:
  RHEL 7.9: kernel-rt 3.10.0-1160.21.1.rt56.1158.el7

SUSE LE 12 SP2: new kernel-default packages.
New packages are available:
  SUSE LE 12 SP2: kernel-default 4.4.121-92.146.1
  SUSE LE 12 SP2: kernel-default 4.4.121-92.146.1

SUSE LE 12 SP3: new kernel-default packages.
New packages are available:
  SUSE LE 12 SP3: kernel-default 4.4.180-94.135.1

SUSE LE 12 SP4: new kernel-default packages.
New packages are available:
  SUSE LE 12 SP4: kernel-default 4.12.14-95.65.1

SUSE LE 12 SP5: new kernel packages (13/10/2020).
New packages are available:
  SUSE LE 12 SP5: kernel 4.12.14-122.41.1

SUSE LE 12 SP5: new kerne-rt packages.
New packages are available:
  SUSE LE 12 SP5: kernel-rt 4.12.14-10.19.1

SUSE LE 15: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel-default-livepatch 4.12.14-150.63.1, kernel-livepatch 4_12_14-150_63-default-1-1.5.1

SUSE LE 15 SP1: new kernel-azure packages (13/10/2020).
New packages are available:
  SUSE LE 15 SP1: kernel-azure 4.12.14-8.47.1

SUSE LE 15 SP1: new kernel packages.
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.61.1

SUSE LE 15 SP1: new kernel-rt packages (23/10/2020).
New packages are available:
  SUSE LE 15 SP1: kernel-rt 4.12.14-14.36.1

SUSE LE 15 SP2: new kernel-azure packages (13/10/2020).
New packages are available:
  SUSE LE 15 SP2: kernel-azure 5.3.18-18.21.1

SUSE LE 15 SP2: new kernel packages (09/10/2020).
New packages are available:
  SUSE LE 15 SP2: kernel 5.3.18-24.24.1

Ubuntu: new linux-image-4.4.0 packages (02/12/2020).
New packages are available:
  Ubuntu 14.04 ESM: linux-image-generic-lpae-lts-xenial 4.4.0.197.172
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.197.203
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