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Vulnerability of Linux kernel: memory corruption via PIE Binary Offset2lib RLIM_INFINITY Bypass

Synthesis of the vulnerability 

An attacker can generate a memory corruption via PIE Binary Offset2lib RLIM_INFINITY Bypass on the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Vulnerable software: Debian, Junos Space, Linux, openSUSE, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Synology DS***, Synology RS***.
Severity of this announce: 2/4.
Creation date: 20/06/2017.
Revisions dates: 20/06/2017, 29/06/2017.
Références of this computer vulnerability: CERTFR-2017-AVI-365, CERTFR-2020-AVI-238, CVE-2017-1000371, DSA-3981-1, JSA10824, JSA10826, JSA11110, RHSA-2020:1524-01, VIGILANCE-VUL-23011.

Description of the vulnerability 

An attacker can generate a memory corruption via PIE Binary Offset2lib RLIM_INFINITY Bypass on the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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This security vulnerability impacts software or systems such as Debian, Junos Space, Linux, openSUSE, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Synology DS***, Synology RS***.

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

Solutions for this threat 

Linux kernel: version 4.12.3.
The version 4.12.3 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.11.12.
The version 4.11.12 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.39.
The version 4.9.39 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.78.
The version 4.4.78 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.1.43.
The version 4.1.43 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: workaround for Stack Clash.
A workaround is to recompile ld.so with the "-fstack-check" option.

Debian 8/9: new linux packages.
New packages are available:
  Debian 8: linux 3.16.43-2+deb8u5
  Debian 9: linux 4.9.30-2+deb9u5

Juniper Junos Space: solution.
The solution is indicated in information sources.

Juniper Junos Space: version 20.3R1.
The version 20.3R1 is fixed:
  https://www.juniper.net/support/downloads/

RHEL 6: new kernel packages.
New packages are available:
  RHEL 6.0-6.10: kernel 2.6.32-754.29.1.el6

Synology RS/DS: version 6.1.3-15152-3.
The version 6.1.3-15152-3 is fixed:
  https://www.synology.com/

Wind River Linux: solution of Mid-July 2017.
The solution is indicated in information sources.
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Computer vulnerabilities tracking service 

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