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Vulnerability of Linux kernel: privilege escalation via kvm/emulate.c

Synthesis of the vulnerability 

An attacker can bypass restrictions via kvm/emulate.c of the Linux kernel, in order to escalate his privileges.
Impacted software: Debian, Fedora, QRadar SIEM, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Synology DSM, Synology DS***, Synology RS***, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 15/06/2018.
Références of this announce: 1103505, CERTFR-2018-AVI-415, CERTFR-2018-AVI-460, CERTFR-2018-AVI-462, CERTFR-2018-AVI-480, CERTFR-2018-AVI-508, CERTFR-2019-AVI-188, CERTFR-2020-AVI-007, CERTFR-2020-AVI-030, CERTFR-2020-AVI-051, CVE-2018-10853, DLA-1422-1, DLA-1422-2, DLA-1423-1, DLA-1424-1, DLA-1434-1, FEDORA-2018-f1b818a5c9, openSUSE-SU-2018:2407-1, openSUSE-SU-2019:1407-1, RHSA-2019:2029-01, RHSA-2019:2043-01, RHSA-2020:0036-01, RHSA-2020:0103-01, RHSA-2020:0179-01, SUSE-SU-2018:2538-1, SUSE-SU-2018:2539-1, SUSE-SU-2018:2908-1, SUSE-SU-2018:2908-2, SUSE-SU-2018:3083-1, SUSE-SU-2018:3084-1, SUSE-SU-2019:1245-1, USN-3777-1, USN-3777-2, USN-3777-3, VIGILANCE-VUL-26434.

Description of the vulnerability 

An attacker can bypass restrictions via kvm/emulate.c of the Linux kernel, in order to escalate his privileges.
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This computer vulnerability announce impacts software or systems such as Debian, Fedora, QRadar SIEM, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Synology DSM, Synology DS***, Synology RS***, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity 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 threat alert.

Solutions for this threat 

Linux kernel: version 4.17.2.
The version 4.17.2 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.16.16.
The version 4.16.16 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.50.
The version 4.14.50 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.138.
The version 4.4.138 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.58.
The version 3.16.58 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: patch for kvm/emulate.c.
A patch is indicated in information sources.

Debian 8: new linux-4.9 packages.
New packages are available:
  Debian 8: linux-4.9 4.9.110-1~deb8u1

Debian 8: new linux packages (16/07/2018).
New packages are available:
  Debian 8: linux 3.16.57-2

Fedora 28: new kernel packages.
New packages are available:
  Fedora 28: kernel 4.16.15-300.fc28

IBM QRadar SIEM: patch for Kernel.
A patch is indicated in information sources.

openSUSE Leap 15.0: new kernel packages.
New packages are available:
  openSUSE Leap 15.0: kernel 4.12.14-lp150.12.16.1

openSUSE Leap 42.3: new kernel packages.
New packages are available:
  openSUSE Leap 42.3: kernel 4.4.179-99.1

RHEL 7.4: new kernel packages.
New packages are available:
  RHEL 7.4: kernel 3.10.0-693.62.1.el7

RHEL 7.5: new kernel packages.
New packages are available:
  RHEL 7.0-7.7: kernel 3.10.0-862.46.1.el7

RHEL 7.6: new kernel packages.
New packages are available:
  RHEL 7.6: kernel 3.10.0-957.43.1.el7

RHEL 7: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-1062.el7

RHEL 7: new kernel-rt packages.
New packages are available:
  RHEL 7: kernel-rt 3.10.0-1062.rt56.1022.el7

SUSE LE 12 RTM: new kernel packages.
New packages are available:
  SUSE LE 12 RTM: kernel default-3.12.61-52.146.1

SUSE LE 12 SP1: new kernel packages.
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.74-60.64.104.1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.95.1

SUSE LE 12 SP3: new kernel packages.
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.178-94.91.2

SUSE LE 15: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-25.16.1

Synology DSM: version 6.2.2-24922.
The version 6.2.2-24922 is fixed.

Synology DS/RS: version 6.2.2-24922.
The version 6.2.2-24922 is fixed:
  https://www.synology.com/

Ubuntu: new linux-image-4.15.0 packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-generic-hwe-16.04 4.15.0.36.59
  Ubuntu 18.04 LTS: linux-image-generic 4.15.0.36.38

Wind River Linux: solution (16/10/2018).
The solution is indicated in information sources.
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