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Vulnerability of Linux kernel: denial of service following insufficient locking

Synthesis of the vulnerability 

An attacker can trigger a fatal error in the Linux kernel, in order to trigger a denial of service.
Impacted systems: Debian, BIG-IP Hardware, TMOS, Android OS, QRadar SIEM, Linux, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this alert: 1/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 30/04/2019.
Références of this alert: 1103505, 1790, CERTFR-2019-AVI-277, CERTFR-2019-AVI-330, CERTFR-2019-AVI-337, CERTFR-2019-AVI-355, CERTFR-2019-AVI-368, CERTFR-2019-AVI-391, CERTFR-2019-AVI-419, CERTFR-2019-AVI-441, CERTFR-2019-AVI-458, CERTFR-2020-AVI-030, CERTFR-2020-AVI-051, CERTFR-2020-AVI-095, CVE-2019-11599, CVE-2019-3892-REJECT, DLA-1799-1, DLA-1799-2, DLA-1824-1, DSA-4465-1, K51674118, openSUSE-SU-2019:1716-1, openSUSE-SU-2019:1757-1, RHSA-2019:2029-01, RHSA-2019:2043-01, RHSA-2019:3309-01, RHSA-2019:3517-01, RHSA-2020:0100-01, RHSA-2020:0103-01, RHSA-2020:0179-01, RHSA-2020:0543-01, SSA:2019-202-01, SUSE-SU-2019:1823-1, SUSE-SU-2019:1823-2, SUSE-SU-2019:1851-1, SUSE-SU-2019:1852-1, SUSE-SU-2019:1854-1, SUSE-SU-2019:1855-1, SUSE-SU-2019:2430-1, SUSE-SU-2019:2450-1, USN-4069-1, USN-4069-2, USN-4095-1, USN-4095-2, USN-4115-1, USN-4115-2, USN-4118-1, VIGILANCE-VUL-29159.

Description of the vulnerability 

An attacker can trigger a fatal error in the Linux kernel, in order to trigger a denial of service.
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This computer vulnerability note impacts software or systems such as Debian, BIG-IP Hardware, TMOS, Android OS, QRadar SIEM, Linux, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

The trust level is of type confirmed by the editor, with an origin of user shell.

This bulletin is about 2 vulnerabilities.

An attacker with a expert ability can exploit this cybersecurity announce.

Solutions for this threat 

Linux kernel: version 4.19.37.
The version 4.19.37 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.19.37.tar.xz

Linux kernel: version 4.14.114.
The version 4.14.114 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.14.114.tar.xz

Linux kernel: version 4.9.188.
The version 4.9.188 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.183.
The version 4.4.183 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.66.
The version 3.16.66 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.16.66.tar.xz

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.68-1

Debian 9: new linux-4.9 packages.
New packages are available:
  Debian 8: linux-4.9 4.9.168-1+deb9u3~deb8u1

Debian 9: new linux packages.
New packages are available:
  Debian 9: linux 4.9.168-1+deb9u3

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

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-lp150.12.67.1

openSUSE Leap 15.1: new kernel packages.
New packages are available:
  openSUSE Leap 15.1: kernel debug-4.12.14-lp151.28.10.1

RHEL 6 MRG: new kernel-rt packages.
New packages are available:
  RHEL 6.0-6.10: kernel-rt 3.10.0-693.62.1.rt56.659.el6rt

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 3.10.0-862.48.1.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

RHEL 8: new kernel packages.
New packages are available:
  RHEL 8: kernel 4.18.0-147.el8

RHEL 8: new kernel-rt packages.
New packages are available:
  RHEL 8: kernel-rt 4.18.0-147.rt24.93.el8

Slackware 14.2: new kernel packages.
New packages are available:
  Slackware 14.2: linux 4.4.186

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.117.1

SUSE LE 12 SP3: new kernel packages.
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.100.1

SUSE LE 12 SP4: new kernel packages (16/07/2019).
New packages are available:
  SUSE LE 12 SP4: kernel 4.12.14-95.24.1

SUSE LE 12 SP4: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP4: kernel-rt 4.12.14-8.3.1

SUSE LE 15 RTM: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.27.1

SUSE LE 15 SP1: new kernel packages.
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.10.1

SUSE LE 15 SP1: new kernel-source-rt packages.
New packages are available:
  SUSE LE 15 SP1: kernel-source-rt 4.12.14-14.8.1

Ubuntu 16/18: new linux-image-aws packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-aws 4.15.0.1047.47
  Ubuntu 18.04 LTS: linux-image-aws 4.15.0.1047.46

Ubuntu: new linux-image-4.15.0 packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-generic-hwe-16.04 4.15.0.62.82
  Ubuntu 18.04 LTS: linux-image-generic 4.15.0.62.64

Ubuntu: new linux-image-4.4.0 packages.
New packages are available:
  Ubuntu 14.04 ESM: linux-image-generic-lts-xenial 4.4.0.159.140
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.159.167

Ubuntu: new linux-image-5.0.0 packages.
New packages are available:
  Ubuntu 18.04 LTS: linux-image-generic-hwe-18.04 5.0.0.23.80
  Ubuntu 19.04: linux-image-generic 5.0.0.21.22

Wind River Linux: solution (21/05/2019).
The solution is indicated in information sources.
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