The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Linux kernel: privilege escalation via Ptrace Hardware Breakpoint Settings

Synthesis of the vulnerability 

An attacker can bypass restrictions via Ptrace Hardware Breakpoint Settings of the Linux kernel, in order to escalate his privileges.
Vulnerable software: Debian, Android OS, QRadar SIEM, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Synology DSM, Synology DS***, Synology RS***, Ubuntu.
Severity of this announce: 2/4.
Creation date: 02/05/2018.
Références of this computer vulnerability: CERTFR-2018-AVI-226, CERTFR-2018-AVI-228, CERTFR-2018-AVI-256, CERTFR-2018-AVI-308, CERTFR-2018-AVI-319, CERTFR-2018-AVI-584, CERTFR-2020-AVI-376, CERTFR-2020-AVI-547, CVE-2018-1000199, DLA-1369-1, DSA-4187-1, DSA-4188-1, ibm10742755, openSUSE-SU-2018:1418-1, openSUSE-SU-2020:0801-1, RHSA-2018:1318-01, RHSA-2018:1345-01, RHSA-2018:1347-01, RHSA-2018:1348-01, RHSA-2018:1354-01, RHSA-2018:1355-01, RHSA-2018:1374-01, SUSE-SU-2018:1366-1, SUSE-SU-2018:1368-1, SUSE-SU-2018:1374-1, SUSE-SU-2018:1375-1, SUSE-SU-2018:1376-1, SUSE-SU-2018:1816-1, SUSE-SU-2018:1846-1, SUSE-SU-2018:1855-1, SUSE-SU-2020:1599-1, SUSE-SU-2020:1663-1, SUSE-SU-2020:2156-1, SUSE-SU-2020:2478-1, SUSE-SU-2020:2487-1, Synology-SA-18:51, USN-3641-1, USN-3641-2, VIGILANCE-VUL-25999.

Description of the vulnerability 

An attacker can bypass restrictions via Ptrace Hardware Breakpoint Settings of the Linux kernel, in order to escalate his privileges.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This cybersecurity announce impacts software or systems such as Debian, Android OS, 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 threat 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 technician ability can exploit this computer weakness alert.

Solutions for this threat 

Debian 7: new linux packages.
New packages are available:
  Debian 7: linux 3.2.101-1

Debian 8: new linux packages (02/05/2018).
New packages are available:
  Debian 8: linux 3.16.56-1

Debian 9: new linux packages.
New packages are available:
  Debian 9: linux 4.9.88-1

Google Android OS: patch 2019-09-05.
A 2019-09-05 patch is indicated in information sources.

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

openSUSE Leap 15.1: new kernel packages.
New packages are available:
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.52.1

openSUSE Leap 42.3: new kernel packages (25/05/2018).
New packages are available:
  openSUSE Leap 42.3: kernel 4.4.132-53.1

RHEL 6: new kernel-rt packages.
New packages are available:
  RHEL 6: kernel-rt 3.10.0-693.25.4.rt56.613.el6rt

RHEL 7.2: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-327.66.3.el7

RHEL 7.3: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-514.48.3.el7

RHEL 7.4: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-693.25.4.el7

RHEL 7: new kernel-alt packages.
New packages are available:
  RHEL 7: kernel-alt 4.14.0-49.2.2.el7a

RHEL 7: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-862.2.3.el7

RHEL 7: new kernel-rt packages.
New packages are available:
  RHEL 7: kernel-rt 3.10.0-862.2.3.rt56.806.el7

SUSE LE 11 SP3: new kernel packages (23/05/2018).
New packages are available:
  SUSE LE 11 SP3: kernel 3.0.101-0.47.106.29.1

SUSE LE 11 SP4: new kernel packages (23/05/2018).
New packages are available:
  SUSE LE 11 SP4: kernel 3.0.101-108.48.1

SUSE LE 11 SP4: new kernel-rt packages.
New packages are available:
  SUSE LE 11 SP4: kernel-rt 3.0.101.rt130-69.27.1

SUSE LE 12 RTM: new kernel packages.
New packages are available:
  SUSE LE 12 RTM: kernel 3.12.61-52.133.1

SUSE LE 12 SP1: new kernel packages.
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.74-60.64.93.1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.85.1

SUSE LE 12 SP3: new kernel packages (23/05/2018).
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.131-94.29.1

SUSE LE 12 SP3: new kernel-rt packages (27/06/2018).
New packages are available:
  SUSE LE 12 SP3: kernel-rt 4.4.138-3.14.1

SUSE LE 12 SP4: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP4: kernel-rt 4.12.14-8.23.1

SUSE LE 12 SP5: new kernel-rt packages (03/09/2020).
New packages are available:
  SUSE LE 12 SP5: kernel-rt 4.12.14-10.13.1

SUSE LE 15: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.52.1

SUSE LE 15 SP1: new kernel packages.
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.45.1

SUSE LE 15 SP1: new kernel-rt packages.
New packages are available:
  SUSE LE 15 SP1: kernel-rt 4.12.14-14.28.1

Synology DSM: version 6.2.1-23824.
The version 6.2.1-23824 is fixed:
  https://www.synology.com/

Synology RS/DS: version 6.2.1-23824-1.
The version 6.2.1-23824-1 is fixed:
  https://www.synology.com/

Ubuntu: new linux-image packages.
New packages are available:
  Ubuntu 17.10: linux-image-generic 4.13.0.41.44
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.124.130
  Ubuntu 14.04 LTS:linux-image-generic 3.13.0.147.157
  Ubuntu 12.04 ESM: linux-image-generic 3.2.0.134.149
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides a networks vulnerabilities workaround. The Vigil@nce vulnerability database contains several thousand vulnerabilities.