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Vulnerability of Intel Processors: information disclosure

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data of Intel Processors, in order to obtain sensitive information.
Impacted systems: XenServer, Fedora, HP ProLiant, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this alert: 1/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 11/11/2020.
Références of this alert: CERTFR-2020-AVI-734, CERTFR-2020-AVI-741, CERTFR-2020-AVI-746, CTX285937, CVE-2020-8696, CVE-2020-8698, FEDORA-2020-14fda1bf85, FEDORA-2020-2c8824c6b1, FEDORA-2020-d5941ea479, HPESBHF04057, INTEL-SA-00381, openSUSE-SU-2020:1915-1, openSUSE-SU-2020:1923-1, openSUSE-SU-2020:2075-1, RHSA-2020:5083-01, RHSA-2020:5084-01, RHSA-2020:5085-01, RHSA-2020:5181-01, RHSA-2020:5182-01, RHSA-2020:5183-01, RHSA-2020:5184-01, RHSA-2020:5185-01, RHSA-2020:5186-01, RHSA-2020:5188-01, RHSA-2020:5189-01, RHSA-2020:5190-01, SUSE-SU-2020:14540-1, SUSE-SU-2020:14546-1, SUSE-SU-2020:3271-1, SUSE-SU-2020:3274-1, SUSE-SU-2020:3275-1, SUSE-SU-2020:3276-1, SUSE-SU-2020:3279-1, SUSE-SU-2020:3372-1, SUSE-SU-2020:3373-1, SUSE-SU-2020:3374-1, SUSE-SU-2020:3457-1, SUSE-SU-2020:3514-1, USN-4628-1, USN-4628-2, VIGILANCE-VUL-33881.

Description of the vulnerability 

An attacker can bypass access restrictions to data of Intel Processors, in order to obtain sensitive information.
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This computer vulnerability bulletin impacts software or systems such as XenServer, Fedora, HP ProLiant, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

The trust level is of type confirmed by the editor, with an origin of user shell.

This bulletin is about 2 vulnerabilities.

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

Solutions for this threat 

Citrix Hypervisor: patch for Intel Processors.
A patch is available:
  Citrix Hypervisor 8.2 LTSR: CTX285172 - https://support.citrix.com/article/CTX285172
  Citrix Hypervisor 8.1: CTX285171 - https://support.citrix.com/article/CTX285171
  Citrix XenServer 7.1 LTSR CU2: CTX285170 - https://support.citrix.com/article/CTX285170
  Citrix XenServer 7.0: CTX285169 - https://support.citrix.com/article/CTX285169

Fedora 31: new microcode_ctl packages.
New packages are available:
  Fedora 31: microcode_ctl 2.1-39.3.fc31

Fedora 33: new microcode_ctl packages.
New packages are available:
  Fedora 33: microcode_ctl 2.1-43.fc33

HPE ProLiant: solution for Intel Processors.
The solution is indicated in information sources.

openSUSE Leap 15.1-2: new ucode-intel packages.
New packages are available:
  openSUSE Leap 15.1: ucode-intel 20201027-lp151.2.30.1
  openSUSE Leap 15.2: ucode-intel 20201118-lp152.2.8.1

RHEL 6.10: new microcode_ctl packages.
New packages are available:
  RHEL 6.10: microcode_ctl 1.17-33.31.el6_10

RHEL 6-8: new microcode_ctl packages.
New packages are available:
  RHEL 8.2: microcode_ctl 20191115-4.20201112.1.el8_2
  RHEL 8.0: microcode_ctl 20180807a-2.20201112.1.el8_0
  RHEL 7.7: microcode_ctl 2.1-53.13.el7_7
  RHEL 7.6: microcode_ctl 2.1-47.18.el7_6
  RHEL 7.3: microcode_ctl 2.1-16.37.el7_3
  RHEL 7.4: microcode_ctl 2.1-22.36.el7_4
  RHEL 7.2: microcode_ctl 2.1-12.34.el7_2
  RHEL 6.6: microcode_ctl 1.17-19.32.el6_6
  RHEL 6.5: microcode_ctl 1.17-17.34.el6_5

RHEL 7.9: new microcode_ctl packages.
New packages are available:
  RHEL 7.9: microcode_ctl 2.1-73.2.el7_9

RHEL 8.3: new microcode_ctl packages.
New packages are available:
  RHEL 8.3: microcode_ctl 20200609-2.20201027.1.el8_3

SUSE LE 11 SP3-4: new microcode_ctl packages (11/11/2020).
New packages are available:
  SUSE LE 11 SP3: microcode_ctl 1.17-102.83.59.1
  SUSE LE 11 SP4: microcode_ctl 1.17-102.83.59.1

SUSE LE 11 SP3-4: new microcode_ctl packages (19/11/2020).
New packages are available:
  SUSE LE 11 SP3: microcode_ctl 1.17-102.83.62.1
  SUSE LE 11 SP4: microcode_ctl 1.17-102.83.62.1

SUSE LE 12 SP2-4: new ucode-intel packages.
New packages are available:
  SUSE LE 12 SP4: ucode-intel 20201118-13.81.1
  SUSE LE 12 SP3: ucode-intel 20201118-13.81.1
  SUSE LE 12 SP3: ucode-intel 20201118-13.81.1

SUSE LE 12 SP5: new ucode-intel packages (11/11/2020).
New packages are available:
  SUSE LE 12 SP5: ucode-intel 20201027-3.20.1

SUSE LE 12 SP5: new ucode-intel packages (20/11/2020).
New packages are available:
  SUSE LE 12 SP5: ucode-intel 20201110-3.23.1

SUSE LE 15: new ucode-intel packages.
New packages are available:
  SUSE LE 15 RTM: ucode-intel 20201027-3.51.1
  SUSE LE 15 SP1: ucode-intel 20201027-3.33.1
  SUSE LE 15 SP2: ucode-intel 20201027-2.7.1

SUSE LE 15 RTM-SP2: new ucode-intel packages.
New packages are available:
  SUSE LE 15 RTM: ucode-intel 20201110-3.55.1
  SUSE LE 15 SP1: ucode-intel 20201110-3.39.1
  SUSE LE 15 SP2: ucode-intel 20201110-2.10.1

Ubuntu: new intel-microcode packages.
New packages are available:
  Ubuntu 20.10: intel-microcode 3.20201110.0ubuntu0.20.10.2
  Ubuntu 20.04 LTS: intel-microcode 3.20201110.0ubuntu0.20.04.2
  Ubuntu 18.04 LTS: intel-microcode 3.20201110.0ubuntu0.18.04.2
  Ubuntu 16.04 LTS: intel-microcode 3.20201110.0ubuntu0.16.04.2
  Ubuntu 14.04 ESM: intel-microcode 3.20201110.0ubuntu0.14.04.2
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