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weakness alert CVE-2019-11833

Linux kernel: information disclosure via ext4/extents.c

Synthesis of the vulnerability

A local attacker can read a memory fragment via ext4/extents.c of the Linux kernel, in order to obtain sensitive information.
Severity of this bulletin: 1/4.
Creation date: 22/05/2019.
Références of this threat: 1103505, CERTFR-2019-AVI-277, CERTFR-2019-AVI-355, CERTFR-2019-AVI-368, CERTFR-2019-AVI-419, CERTFR-2019-AVI-458, CVE-2019-11833, DLA-1823-1, DLA-1824-1, DSA-4465-1, FEDORA-2019-48b34fc991, openSUSE-SU-2019:1479-1, openSUSE-SU-2019:1570-1, openSUSE-SU-2019:1579-1, RHSA-2019:2029-01, RHSA-2019:2043-01, RHSA-2019:3309-01, RHSA-2019:3517-01, SUSE-SU-2019:1527-1, SUSE-SU-2019:1529-1, SUSE-SU-2019:1530-1, SUSE-SU-2019:1532-1, SUSE-SU-2019:1533-1, SUSE-SU-2019:1534-1, SUSE-SU-2019:1535-1, SUSE-SU-2019:1536-1, SUSE-SU-2019:1550-1, SUSE-SU-2019:1692-1, SUSE-SU-2019:2430-1, USN-4068-1, USN-4068-2, USN-4069-1, USN-4069-2, USN-4076-1, USN-4118-1, VIGILANCE-VUL-29379.
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Description of the vulnerability

A local attacker can read a memory fragment via ext4/extents.c of the Linux kernel, in order to obtain sensitive information.
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This computer vulnerability note impacts software or systems such as Debian, Fedora, Android OS, QRadar SIEM, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

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

An attacker with a expert ability can exploit this cybersecurity announce.

Solutions for this threat

Linux kernel: version 5.1.4.
The version 5.1.4 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.1.4.tar.xz

Linux kernel: version 5.0.18.
The version 5.0.18 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.18.tar.xz

Linux kernel: version 4.19.45.
The version 4.19.45 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.19.45.tar.xz

Linux kernel: version 4.14.121.
The version 4.14.121 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.14.121.tar.xz

Linux kernel: version 4.9.178.
The version 4.9.178 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.9.178.tar.xz

Linux kernel: version 4.4.181.
The version 4.4.181 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.69.
The version 3.16.69 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.68-2

Debian 9: new linux-4.9 packages.
New packages are available:
  Debian 8: linux-4.9 4.9.168-1+deb9u3~deb8u1

Debian 9: new linux packages.
New packages are available:
  Debian 9: linux 4.9.168-1+deb9u3

Fedora 29: new kernel-headers packages.
New packages are available:
  Fedora 29: kernel-headers 5.0.19-200.fc29

Fedora 29: new kernel packages.
New packages are available:
  Fedora 29: kernel 5.0.19-200.fc29

Fedora 29: new kernel-tools packages.
New packages are available:
  Fedora 29: kernel-tools 5.0.19-200.fc29

Google Android/Pixel: patch for November 2019.
A patch is indicated in information sources.

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

openSUSE Leap 15.0: new kernel packages.
New packages are available:
  openSUSE Leap 15.0: kernel 4.12.14-lp150.12.64.1

openSUSE Leap 15.1: new kernel packages.
New packages are available:
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.4.1

openSUSE Leap 42.3: new kernel packages.
New packages are available:
  openSUSE Leap 42.3: kernel 4.4.180-102.1

RHEL 7: new kernel packages.
New packages are available:
  RHEL 7: kernel 3.10.0-1062.el7

RHEL 7: new kernel-rt packages.
New packages are available:
  RHEL 7: kernel-rt 3.10.0-1062.rt56.1022.el7

RHEL 8: new kernel packages.
New packages are available:
  RHEL 8: kernel 4.18.0-147.el8

RHEL 8: new kernel-rt packages.
New packages are available:
  RHEL 8: kernel-rt 4.18.0-147.rt24.93.el8

SUSE LE 12 RTM: new kernel packages.
New packages are available:
  SUSE LE 12 RTM: kernel 3.12.61-52.154.1

SUSE LE 12 SP1: new kernel packages (18/06/2019).
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.74-60.64.115.1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.114.1

SUSE LE 12 SP3: new kernel packages.
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.97.1

SUSE LE 12 SP4: new kernel packages (18/06/2019).
New packages are available:
  SUSE LE 12 SP4: kernel 4.12.14-95.19.1

SUSE LE 15: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.22.1

SUSE LE 15 SP1: new kernel packages.
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.4.1

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 16.04: new linux-image-4.4.0 packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.157.165

Ubuntu 16/18: new linux-image-aws packages.
New packages are available:
  Ubuntu 16.04 LTS: linux-image-aws 4.15.0.1047.47
  Ubuntu 18.04 LTS: linux-image-aws 4.15.0.1047.46

Ubuntu: new linux-image-4.15.0 packages.
New packages are available:
  Ubuntu 18.04 LTS: linux-image-generic 4.15.0.55.57
  Ubuntu 16.04 LTS: linux-image-generic-hwe-16.04 4.15.0.55.76

Ubuntu: new linux-image-5.0.0 packages.
New packages are available:
  Ubuntu 18.04 LTS: linux-image-generic-hwe-18.04 5.0.0.23.80
  Ubuntu 19.04: linux-image-generic 5.0.0.21.22

Wind River Linux: version 10.18.44.9.
The version 10.18.44.9 is fixed:
  https://support2.windriver.com/
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