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Vulnerability of Linux kernel: information disclosure via RFCOMM Bluetooth

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via RFCOMM Bluetooth of the Linux kernel, in order to obtain sensitive information.
Vulnerable products: Debian, Linux, openSUSE, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 2/4.
Creation date: 20/10/2016.
Références of this bulletin: CERTFR-2017-AVI-001, CERTFR-2017-AVI-034, CERTFR-2017-AVI-053, CERTFR-2017-AVI-054, CERTFR-2017-AVI-131, CVE-2015-8956, DLA-670-1, DSA-3696-1, openSUSE-SU-2016:2625-1, openSUSE-SU-2016:3021-1, openSUSE-SU-2016:3058-1, RHSA-2016:2574-02, RHSA-2016:2584-02, SUSE-SU-2016:2912-1, SUSE-SU-2016:2976-1, SUSE-SU-2016:3304-1, SUSE-SU-2017:0333-1, SUSE-SU-2017:0471-1, SUSE-SU-2017:0494-1, SUSE-SU-2017:1102-1, VIGILANCE-VUL-20922.

Description of the vulnerability 

An attacker can bypass access restrictions to data via RFCOMM Bluetooth of the Linux kernel, in order to obtain sensitive information.
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This cybersecurity threat impacts software or systems such as Debian, Linux, openSUSE, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer threat note is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this security threat.

Solutions for this threat 

Linux kernel: version 4.1.37.
The version 4.1.37 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.18.46.
The version 3.18.46 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: version 3.16.39.
The version 3.16.39 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: version 3.2.84.
The version 3.2.84 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Linux kernel: patch for RFCOMM Bluetooth.
A patch is indicated in information sources.

Debian 7: new linux packages.
New packages are available:
  Debian 7: linux 3.2.82-1

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.36-1+deb8u2

openSUSE 13.1: new kernel packages.
New packages are available:
  openSUSE 13.1: kernel default-3.12.67-58.1

openSUSE 13.2: new kernel packages.
New packages are available:
  openSUSE 13.2: kernel 3.16.7-45.1

openSUSE Leap 42.1: new kernel packages.
New packages are available:
  openSUSE Leap 42.1: kernel 4.1.36-38.1

RHEL 7: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-514.el7

RHEL 7: new kernel-rt packages.
New packages are available:
  RHEL 7: kernel-rt 3.10.0-514.rt56.420.el7

SUSE LE 11 SP2: new kernel packages (31/01/2017).
New packages are available:
  SUSE LE 11 SP2: kernel 3.0.101-0.7.53.1

SUSE LE 11 SP3: new kernel packages.
New packages are available:
  SUSE LE 11 SP3: kernel 3.0.101-0.47.96.1

SUSE LE 11 SP4: new kernel packages (02/12/2016).
New packages are available:
  SUSE LE 11 SP4: kernel 3.0.101-88.1

SUSE LE 11 SP4: new kernel-rt packages (26/04/2017).
New packages are available:
  SUSE LE 11 SP4: kernel-rt 3.0.101.rt130-68.1

SUSE LE 12 RTM: new kernel packages.
New packages are available:
  SUSE LE 12 RTM: kernel 3.12.61-52.66.1

SUSE LE 12 SP1: new kernel packages.
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.67-60.64.18.1

SUSE LE 12 SP1 RT: new kernel-rt packages (02/01/2017).
New packages are available:
  SUSE LE 12 SP1: kernel-rt 3.12.67-60.27.1
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