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Vulnerability of Linux kernel: information disclosure via create_qp_common

Synthesis of the vulnerability 

A local attacker can read a memory fragment via create_qp_common() of the Linux kernel, in order to obtain sensitive information.
Vulnerable products: Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 1/4.
Creation date: 07/08/2019.
Références of this bulletin: CERTFR-2019-AVI-376, CERTFR-2019-AVI-417, CERTFR-2019-AVI-418, CERTFR-2019-AVI-458, CVE-2018-20855, openSUSE-SU-2019:1923-1, openSUSE-SU-2019:1924-1, SUSE-SU-2019:14157-1, SUSE-SU-2019:2068-1, SUSE-SU-2019:2069-1, SUSE-SU-2019:2070-1, SUSE-SU-2019:2071-1, SUSE-SU-2019:2072-1, SUSE-SU-2019:2262-1, SUSE-SU-2019:2263-1, SUSE-SU-2019:2299-1, SUSE-SU-2019:2430-1, SUSE-SU-2019:2450-1, VIGILANCE-VUL-29970.

Description of the vulnerability 

A local attacker can read a memory fragment via create_qp_common() of the Linux kernel, in order to obtain sensitive information.
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This weakness note impacts software or systems such as Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

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

Solutions for this threat 

Linux kernel: version 4.18.7.
The version 4.18.7 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

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

openSUSE Leap: new kernel packages.
New packages are available:
  openSUSE Leap 15.0: kernel 4.12.14-lp150.12.70.1
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.13.1

SUSE LE 11 SP4: new kernel packages.
New packages are available:
  SUSE LE 11 SP4: kernel 3.0.101-108.101.1

SUSE LE 12 SP1: new kernel packages.
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.74-60.64.121.1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.120.1

SUSE LE 12 SP3: new kernel packages.
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.103.1

SUSE LE 12 SP4: new kernel-azure packages.
New packages are available:
  SUSE LE 12 SP4: kernel-azure 4.12.14-6.23.1

SUSE LE 12 SP4: new kernel packages.
New packages are available:
  SUSE LE 12 SP4: kernel 4.12.14-95.29.1

SUSE LE 12 SP4: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP4: kernel-rt 4.12.14-8.3.1

SUSE LE 15 RTM: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.32.1

SUSE LE 15 SP1: new kernel-azure packages.
New packages are available:
  SUSE LE 15 SP1: kernel-azure 4.12.14-5.38.1

SUSE LE 15 SP1: new kernel-source-rt packages.
New packages are available:
  SUSE LE 15 SP1: kernel-source-rt 4.12.14-14.8.1
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