The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.

Vulnerability of Intel 64-bit CPU: information disclosure via SWAPGS

Synthesis of the vulnerability

A local attacker can read a memory fragment via SWAPGS of Intel 64-bit CPU, in order to obtain sensitive information.
Severity of this computer vulnerability: 1/4.
Creation date: 07/08/2019.
Références of this announce: 1103505, CERTFR-2019-AVI-375, CERTFR-2019-AVI-376, CERTFR-2019-AVI-381, CERTFR-2019-AVI-390, CERTFR-2019-AVI-391, CERTFR-2019-AVI-392, CERTFR-2019-AVI-417, CERTFR-2019-AVI-418, CERTFR-2019-AVI-428, CERTFR-2019-AVI-440, CERTFR-2019-AVI-458, CERTFR-2019-AVI-467, CERTFR-2019-AVI-486, CVE-2019-1125, DLA-1884-1, DLA-1885-1, DSA-4495-1, DSA-4497-1, FEDORA-2019-6bda4c81f4, FEDORA-2019-e37c348348, K31085564, openSUSE-SU-2019:1923-1, openSUSE-SU-2019:1924-1, RHSA-2019:2405-01, RHSA-2019:2411-01, RHSA-2019:2473-01, RHSA-2019:2476-01, RHSA-2019:2600-01, RHSA-2019:2609-01, RHSA-2019:2695-01, RHSA-2019:2696-01, RHSA-2019:2730-01, RHSA-2019:2899-01, RHSA-2019:2900-01, RHSA-2019:2975-01, RHSA-2019:3220-01, SB10297, SSA:2019-226-01, STORM-2019-007, 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-2019:2073-1, 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, SWAPGS, Synology-SA-19:32, USN-4093-1, USN-4094-1, USN-4095-1, USN-4095-2, USN-4096-1, VIGILANCE-VUL-29962.

Description of the vulnerability

A local attacker can read a memory fragment via SWAPGS of Intel 64-bit CPU, in order to obtain sensitive information.
Full Vigil@nce bulletin... (Free trial)

This threat alert impacts software or systems such as SNS, Arkoon FAST360, Debian, BIG-IP Hardware, TMOS, Fedora, QRadar SIEM, Linux, McAfee Email Gateway, McAfee Web Gateway, Windows 10, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 2016, Windows 2019, Windows 7, Windows 8, Windows (platform) ~ not comprehensive, Windows RT, NETASQ, OpenBSD, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Synology DSM, Synology DS***, Synology RS***, Ubuntu, Unix (platform) ~ not comprehensive.

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

Solutions for this threat

Intel 64-bit CPU: workaround for SWAPGS.
A workaround is to disable hyperthreading.

Linux kernel: version 5.2.7.
The version 5.2.7 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.65.
The version 4.19.65 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.137.
The version 4.14.137 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.189.
The version 4.9.189 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.189.
The version 4.4.189 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.188.
The version 4.4.188 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.72.
The version 3.16.72 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

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

Debian 10: new linux packages.
New packages are available:
  Debian 10: linux 4.19.37-5+deb10u2

Debian 8: new linux-4.9 packages.
New packages are available:
  Debian 8: linux-4.9 4.9.168-1+deb9u5~deb8u1

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.72-1

Debian 9/10: new linux packages.
New packages are available:
  Debian 9: linux 4.9.168-1+deb9u5
  Debian 10: linux 4.19.37-5+deb10u2

Fedora: new kernel-headers packages.
New packages are available:
  Fedora 29: kernel-headers 5.2.7-100.fc29
  Fedora 30: kernel-headers 5.2.7-200.fc30

Fedora: new kernel packages.
New packages are available:
  Fedora 29: kernel 5.2.7-100.fc29
  Fedora 30: kernel 5.2.7-200.fc30

Fedora: new kernel-tools packages.
New packages are available:
  Fedora 29: kernel-tools 5.2.7-100.fc29
  Fedora 30: kernel-tools 5.2.7-200.fc30

IBM QRadar SIEM: patch for Kernel.
A patch is indicated in information sources.

OpenBSD: patch for SWAPGS.
A patch is available:
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/021_swapgs.patch.sig
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/008_swapgs.patch.sig

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

RHEL 6.5: new kernel packages.
New packages are available:
  RHEL 6: kernel 2.6.32-431.96.1.el6

RHEL 6.6: new kernel packages.
New packages are available:
  RHEL 6: kernel 2.6.32-504.80.2.el6

RHEL 6: new kernel packages.
New packages are available:
  RHEL 6: kernel 2.6.32-754.18.2.el6

RHEL 6: new kernel-rt packages.
New packages are available:
  RHEL 6: kernel-rt 3.10.0-693.58.1.rt56.652.el6rt

RHEL 7.2: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-327.82.1.el7

RHEL 7.3: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-514.69.1.el7

RHEL 7.4: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-693.58.1.el7

RHEL 7.5: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-862.43.1.el7

RHEL 7.6: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-957.38.1.el7

RHEL 7: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-1062.1.1.el7

RHEL 7: new kernel-rt packages.
New packages are available:
  RHEL 7: kernel-rt 3.10.0-1062.1.1.rt56.1024.el7

RHEL 8.0: new kernel packages.
New packages are available:
  RHEL 8: kernel 4.18.0-80.7.2.el8_0

RHEL 8.0: new kernel-rt packages.
New packages are available:
  RHEL 8: kernel-rt 4.18.0-80.7.2.rt9.154.el8_0

Slackware 14.2: new kernel packages.
New packages are available:
  Slackware 14.2: kernel 4.4.189-*-1

Stormshield: solution for SWAPGS.
The solution is indicated in information sources.

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 packages.
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.15.1

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

Ubuntu: new linux-image-4.15.0 packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-generic-hwe-16.04 4.15.0.58.79
  Ubuntu 18.04 LTS: linux-image-generic 4.15.0.58.60

Ubuntu: new linux-image-4.4.0 packages.
New packages are available:
  Ubuntu 14.04 ESM: linux-image-generic-lts-xenial 4.4.0.159.140
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.159.167

Ubuntu: new linux-image-5.0.0 packages.
New packages are available:
  Ubuntu 18.04 LTS: linux-image-generic-hwe-18.04 5.0.0.25.82
  Ubuntu 19.04: linux-image-generic 5.0.0.25.26

Ubuntu: new linux-image-aws packages.
New packages are available:
  Ubuntu 19.04: linux-image-aws 5.0.0.1012.12
  Ubuntu 18.04 LTS: linux-image-aws 4.15.0.1045.44
  Ubuntu 16.04 LTS: linux-image-aws 4.15.0.1045.45

Windows: patch for SWAPGS.
A patch is available:
  VIGILANCE-SOL-66792
Full Vigil@nce bulletin... (Free trial)

Computer vulnerabilities tracking service

Vigil@nce provides applications vulnerabilities alerts. The Vigil@nce computer vulnerability tracking service alerts your teams of vulnerabilities or threats impacting your information system.