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Synthesis of the vulnerability 
An attacker can bypass restrictions via ptrace_link of the Linux kernel, in order to escalate his privileges.
Vulnerable products: Debian, Fedora, Android OS, Tivoli Storage Manager, Linux, RHEL, SIMATIC, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this weakness: 2/4.
Creation date: 18/07/2019.
Références of this bulletin: CERTFR-2019-AVI-375, CERTFR-2019-AVI-391, CERTFR-2019-AVI-419, CERTFR-2019-AVI-451, CERTFR-2019-AVI-561, CERTFR-2019-AVI-575, CVE-2019-13272, DLA-1862-1, DLA-1863-1, DSA-4484-1, FEDORA-2019-a95015e60f, PROJ-ZERO-1903, RHSA-2019:2405-01, RHSA-2019:2411-01, RHSA-2019:2809-01, SSA:2019-202-01, SSB-439005, SUSE-SU-2019:2949-1, SUSE-SU-2019:2984-1, USN-4093-1, USN-4094-1, USN-4095-1, USN-4095-2, USN-4117-1, USN-4118-1, VIGILANCE-VUL-29820.
Description of the vulnerability 
An attacker can bypass restrictions via ptrace_link of the Linux kernel, in order to escalate his privileges. Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
This computer threat impacts software or systems such as Debian, Fedora, Android OS, Tivoli Storage Manager, Linux, RHEL, SIMATIC, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Our Vigil@nce team determined that the severity of this computer vulnerability alert is medium.
The trust level is of type confirmed by the editor, with an origin of user shell.
A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a specialist ability can exploit this cybersecurity weakness.
Solutions for this threat 
Linux kernel: version 5.1.17.
The version 5.1.17 is fixed:
https://cdn.kernel.org/pub/linux/kernel/v5.x/
Linux kernel: version 4.19.59.
The version 4.19.59 is fixed:
https://cdn.kernel.org/pub/linux/kernel/v4.x/
Linux kernel: version 4.14.133.
The version 4.14.133 is fixed:
https://cdn.kernel.org/pub/linux/kernel/v4.x/
Linux kernel: version 4.9.185.
The version 4.9.185 is fixed:
https://cdn.kernel.org/pub/linux/kernel/v4.x/
Linux kernel: version 4.4.185.
The version 4.4.185 is fixed:
https://cdn.kernel.org/pub/linux/kernel/v4.x/
Linux kernel: version 3.16.71.
The version 3.16.71 is fixed:
https://cdn.kernel.org/pub/linux/kernel/v3.x/
Linux kernel: patch for ptrace_link.
A patch is indicated in information sources.
Debian 8: new linux-4.9 packages.
New packages are available:
Debian 8: linux-4.9 4.9.168-1+deb9u4~deb8u1
Debian 8: new linux packages.
New packages are available:
Debian 8: linux 3.16.70-1
Debian 9/10: new linux packages.
New packages are available:
Debian 9: linux 4.9.168-1+deb9u4
Debian 10: linux 4.19.37-5+deb10u1
Fedora 29: new kernel-headers packages.
New packages are available:
Fedora 29: kernel-headers 5.1.18-200.fc29
Fedora 29: new kernel packages.
New packages are available:
Fedora 29: kernel 5.1.18-200.fc29
Google Android/Pixel: patch for March 2020.
A patch is indicated in information sources.
IBM Spectrum Protect Plus: version 10.1.4.222.
The version 10.1.4.222 is fixed:
http://www.ibm.com/support/docview.wss?uid=ibm10880861
RHEL 7: new kernel-alt packages.
New packages are available:
RHEL 7: kernel-alt 4.14.0-115.12.1.el7a
RHEL 8.0: new kernel packages.
New packages are available:
RHEL 8: kernel 4.18.0-80.7.2.el8_0
RHEL 8.0: new kernel-rt packages.
New packages are available:
RHEL 8: kernel-rt 4.18.0-80.7.2.rt9.154.el8_0
SIMATIC S7-1500 CPU 1518: workaround for GNU/Linux Vulnerabilities.
A workaround is indicated in the information source.
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 4.4.121-92.125.1
SUSE LE 12 SP3: new kernel packages (13/11/2019).
New packages are available:
SUSE LE 12 SP3: kernel 4.4.180-94.107.1
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 19.04: new linux-image-aws packages.
New packages are available:
Ubuntu 19.04: linux-image-aws 5.0.0.1014.15
Ubuntu: new linux-image-4.15.0 packages.
New packages are available:
Ubuntu 16.04 LTS: linux-image-generic-hwe-16.04 4.15.0.58.79
Ubuntu 18.04 LTS: linux-image-generic 4.15.0.58.60
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 5.0.0.25.82
Ubuntu 19.04: linux-image-generic 5.0.0.25.26
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
Computer vulnerabilities tracking service 
Vigil@nce provides a computer vulnerability note. The Vigil@nce computer vulnerability tracking service alerts your teams of vulnerabilities or threats impacting your information system.
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