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 Arm Cortex Processors: information disclosure via Straight Line Speculation

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via Straight Line Speculation of Arm Cortex Processors, in order to obtain sensitive information.
Vulnerable products: FreeBSD, GCC, Linux, OpenBSD, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 1/4.
Creation date: 17/06/2020.
Références of this bulletin: CVE-2020-13844, openSUSE-SU-2020:1692-1, openSUSE-SU-2020:1693-1, SUSE-SU-2020:2947-1, SUSE-SU-2020:3263-1, VIGILANCE-VUL-32550.

Description of the vulnerability 

An attacker can bypass access restrictions to data via Straight Line Speculation of Arm Cortex Processors, in order to obtain sensitive information.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This computer vulnerability announce impacts software or systems such as FreeBSD, GCC, Linux, OpenBSD, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin is low.

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 

FreeBSD: patch for Arm Straight Line Speculation.
A patch is indicated in information sources.

GCC: patch for Arm Straight Line Speculation.
A patch is indicated in information sources.

Linux kernel: patch for Arm Straight Line Speculation.
A patch is indicated in information sources.

OpenBSD: patch for ARM64.
A patch is available:
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/025_eret.patch.sig
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/014_eret.patch.sig

openSUSE Leap 15: new gcc10 packages.
New packages are available:
  openSUSE Leap 15.1: gcc10 10.2.1+git583-lp151.2.2
  openSUSE Leap 15.2: gcc10 10.2.1+git583-lp152.2.2

SUSE LE 12: new gcc10 packages.
New packages are available:
  SUSE LE 12 SP2: gcc10 10.2.1+git583-1.3.5
  SUSE LE 12 SP3: gcc10 10.2.1+git583-1.3.5
  SUSE LE 12 SP4: gcc10 10.2.1+git583-1.3.5
  SUSE LE 12 SP5: gcc10 10.2.1+git583-1.3.5

SUSE LE 15: new gcc10 packages.
New packages are available:
  SUSE LE 15 RTM: gcc10 10.2.1+git583-1.3.4
  SUSE LE 15 SP1: gcc10 10.2.1+git583-1.3.4
  SUSE LE 15 SP2: gcc10 10.2.1+git583-1.3.4
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides applications vulnerabilities analysis. The Vigil@nce vulnerability database contains several thousand vulnerabilities.