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Vulnerability of Linux kernel: denial of service via keyctl_set_reqkey_keyring

Synthesis of the vulnerability 

An attacker can generate a fatal error via keyctl_set_reqkey_keyring() on the Linux kernel, in order to trigger a denial of service.
Impacted products: Debian, Linux, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 1/4.
Creation date: 27/04/2017.
Références of this threat: CERTFR-2017-AVI-169, CERTFR-2017-AVI-307, CERTFR-2018-AVI-005, CERTFR-2018-AVI-014, CERTFR-2018-AVI-048, CERTFR-2019-AVI-233, CVE-2017-7472, DLA-922-1, RHSA-2018:0151-01, RHSA-2018:0152-01, SUSE-SU-2018:0011-1, SUSE-SU-2018:0040-1, SUSE-SU-2018:0131-1, SUSE-SU-2018:0171-1, SUSE-SU-2019:1289-1, USN-3312-1, USN-3312-2, USN-3314-1, USN-3361-1, USN-3422-1, USN-3422-2, VIGILANCE-VUL-22575.

Description of the vulnerability 

An attacker can generate a fatal error via keyctl_set_reqkey_keyring() on the Linux kernel, in order to trigger a denial of service.
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This computer weakness alert impacts software or systems such as Debian, Linux, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

Solutions for this threat 

Linux kernel: version 4.10.13.
The version 4.10.13 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.25.
The version 4.9.25 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.64.
The version 4.4.64 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.1.40.
The version 4.1.40 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.18.51.
The version 3.18.51 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: version 3.16.44.
The version 3.16.44 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.16.44.tar.xz

Linux kernel: version 3.12.74.
The version 3.12.74 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 3.2.89.
The version 3.2.89 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.2.89.tar.xz

Linux kernel: patch for keyctl_set_reqkey_keyring.
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

RHEL 7: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-693.17.1.el7

RHEL 7: new kernel-rt packages.
New packages are available:
  RHEL 7: kernel-rt 3.10.0-693.17.1.rt56.636.el7

SUSE LE 11 SP3: new kernel packages (09/01/2018).
New packages are available:
  SUSE LE 11 SP3: kernel 3.0.101-0.47.106.11.1

SUSE LE 11 SP4: new kernel packages (04/01/2018).
New packages are available:
  SUSE LE 11 SP4: kernel 3.0.101-108.21.1

SUSE LE 12 SP1: new kernel packages.
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.74-60.64.110.1

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-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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