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Vulnerability of Linux kernel: buffer overflow via skb_to_mamac

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via skb_to_mamac() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Android OS, Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this alert: 2/4.
Creation date: 02/10/2020.
Références of this alert: 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, CVE-2020-0432, openSUSE-SU-2020:1586-1, openSUSE-SU-2020:1655-1, openSUSE-SU-2021:0242-1, 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, VIGILANCE-VUL-33473.

Description of the vulnerability 

An attacker can trigger a buffer overflow via skb_to_mamac() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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This computer weakness note impacts software or systems such as Android OS, Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this security bulletin 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 weakness announce.

Solutions for this threat 

Linux kernel: version 4.19.102.
The version 4.19.102 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.170.
The version 4.14.170 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.213.
The version 4.9.213 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.213.
The version 4.4.213 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

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

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

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
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