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Vulnerability of QEMU: information disclosure via PPC64 sPAPR host-serial/model

Synthesis of the vulnerability 

An attacker, inside a guest system, can bypass access restrictions to data via PPC64 sPAPR host-serial/model of QEMU, in order to obtain sensitive information on the host system.
Vulnerable products: openSUSE Leap, QEMU, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 1/4.
Creation date: 21/02/2019.
Références of this bulletin: CERTFR-2019-AVI-230, CVE-2019-8934, openSUSE-SU-2019:1274-1, openSUSE-SU-2019:1405-1, SUSE-SU-2019:1238-1, SUSE-SU-2019:1239-1, SUSE-SU-2021:1829-1, VIGILANCE-VUL-28572.

Description of the vulnerability 

An attacker, inside a guest system, can bypass access restrictions to data via PPC64 sPAPR host-serial/model of QEMU, in order to obtain sensitive information on the host system.
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This weakness impacts software or systems such as openSUSE Leap, QEMU, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this vulnerability announce 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 bulletin.

Solutions for this threat 

QEMU: patch for PPC64 sPAPR host-serial/model.
A patch is indicated in information sources.

openSUSE Leap 15.0: new qemu packages.
New packages are available:
  openSUSE Leap 15.0: qemu 2.11.2-lp150.7.22.1

openSUSE Leap: new qemu packages.
New packages are available:
  openSUSE Leap 42.3: qemu 2.9.1-59.1

SUSE LE 12 SP2: new qemu packages (02/06/2021).
New packages are available:
  SUSE LE 12 SP2: qemu 2.6.2-41.65.1

SUSE LE 12 SP4: new qemu packages.
New packages are available:
  SUSE LE 12 SP4: qemu 2.11.2-5.13.1

SUSE LE 15: new qemu packages.
New packages are available:
  SUSE LE 15 RTM: qemu 2.11.2-9.25.1
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