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Vulnerability of Linux kernel: buffer overflow via mwifiex_process_country_ie

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via mwifiex_process_country_ie() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: Debian, Fedora, Linux, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 2/4.
Creation date: 22/11/2019.
Références of this weakness: CERTFR-2019-AVI-612, CERTFR-2019-AVI-639, CERTFR-2019-AVI-652, CERTFR-2020-AVI-005, CERTFR-2020-AVI-013, CERTFR-2020-AVI-029, CERTFR-2020-AVI-046, CERTFR-2020-AVI-071, CERTFR-2020-AVI-095, CERTFR-2020-AVI-114, CERTFR-2020-AVI-123, CERTFR-2020-AVI-125, CERTFR-2020-AVI-130, CVE-2019-14895, DLA-2068-1, DLA-2114-1, FEDORA-2019-8846a1a5a2, FEDORA-2019-91f6e7bb71, openSUSE-SU-2019:2675-1, RHSA-2020:0328-01, RHSA-2020:0339-01, RHSA-2020:0374-01, RHSA-2020:0375-01, RHSA-2020:0543-01, RHSA-2020:0592-01, RHSA-2020:0609-01, RHSA-2020:0653-01, RHSA-2020:0661-01, RHSA-2020:0664-01, RHSA-2020:0831-01, SSA:2020-086-01, SUSE-SU-2019:3200-1, SUSE-SU-2019:3289-1, SUSE-SU-2019:3316-1, SUSE-SU-2019:3317-1, SUSE-SU-2019:3371-1, SUSE-SU-2019:3372-1, SUSE-SU-2019:3379-1, SUSE-SU-2019:3381-1, SUSE-SU-2020:0093-1, SUSE-SU-2020:0599-1, SUSE-SU-2020:0667-1, USN-4225-1, USN-4225-2, USN-4226-1, USN-4227-1, USN-4227-2, USN-4228-1, USN-4228-2, VIGILANCE-VUL-30944.

Description of the vulnerability 

An attacker can trigger a buffer overflow via mwifiex_process_country_ie() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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This cybersecurity note impacts software or systems such as Debian, Fedora, Linux, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer weakness announce is medium.

The trust level is of type confirmed by the editor, with an origin of radio connection.

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

Solutions for this threat 

Linux kernel: version 5.4.12.
The version 5.4.12 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.96.
The version 4.19.96 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.165.
The version 4.14.165 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.210.
The version 4.9.210 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.4.210.
The version 4.4.210 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 3.16.81.
The version 3.16.81 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

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

Debian 8: new linux-4.9 packages.
New packages are available:
  Debian 8: linux-4.9 4.9.210-1~deb8u1

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.81-1

Fedora: new kernel packages (02/12/2019).
New packages are available:
  Fedora 30: kernel 5.3.13-200.fc30
  Fedora 31: kernel 5.3.13-300.fc31

openSUSE Leap 15.1: new kernel packages (13/12/2019).
New packages are available:
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.36.1

RHEL 6 MRG: new kernel-rt packages.
New packages are available:
  RHEL 6.0-6.10: kernel-rt 3.10.0-693.64.1.rt56.662.el6rt

RHEL 7.2: new kernel packages.
New packages are available:
  RHEL 7.2: kernel 3.10.0-327.85.1.el7

RHEL 7.3: new kernel packages.
New packages are available:
  RHEL 7.3: kernel 3.10.0-514.73.1.el7

RHEL 7.4: new kernel packages.
New packages are available:
  RHEL 7.0-7.7: kernel 3.10.0-693.64.1.el7

RHEL 7.5: new kernel packages.
New packages are available:
  RHEL 7.0-7.7: kernel 3.10.0-862.48.1.el7

RHEL 7.6: new kernel packages.
New packages are available:
  RHEL 7.0-7.7: kernel 3.10.0-957.46.1.el7

RHEL 7: new kernel packages.
New packages are available:
  RHEL 7.0-7.7: kernel 3.10.0-1062.12.1.el7

RHEL 7: new kernel-rt packages.
New packages are available:
  RHEL 7.0-7.7: kernel-rt 3.10.0-1062.12.1.rt56.1042.el7

RHEL 8.0: new kernel packages.
New packages are available:
  RHEL 8.0: kernel 4.18.0-80.16.1.el8_0

RHEL 8.1: new kernel packages.
New packages are available:
  RHEL 8.1: kernel 4.18.0-147.5.1.el8_1

RHEL 8.1: new kernel-rt packages.
New packages are available:
  RHEL 8.1: kernel-rt 4.18.0-147.5.1.rt24.98.el8_1

Slackware 14.2: new kernel packages (27/03/2020).
New packages are available:
  Slackware 14.2: kernel 4.4.217-i586-1

SUSE LE 12 SP3: new kernel packages (23/12/2019).
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.113.1

SUSE LE 12 SP4: new kernel-azure packages (18/12/2019).
New packages are available:
  SUSE LE 12 SP4: kernel-azure 4.12.14-6.34.1

SUSE LE 12 SP4: new kernel packages (20/12/2019).
New packages are available:
  SUSE LE 12 SP4: kernel 4.12.14-95.45.1

SUSE LE 12 SP4: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP4: kernel-rt 4.12.14-8.12.1

SUSE LE 12 SP5: new kernel-azure packages (15/01/2020).
New packages are available:
  SUSE LE 12 SP5: kernel-azure 4.12.14-16.7.1

SUSE LE 12 SP5: new kernel packages (09/12/2019).
New packages are available:
  SUSE LE 12 SP5: kernel 4.12.14-122.7.1

SUSE LE 12 SP5: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP5: kernel-rt 4.12.14-10.5.1

SUSE LE 15 RTM: new kernel-azure packages (13/12/2019).
New packages are available:
  SUSE LE 15 RTM: kernel-azure 4.12.14-5.47.1

SUSE LE 15 RTM: new kernel packages (23/12/2019).
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.47.1

SUSE LE 15 SP1: new kernel-azure packages (20/12/2019).
New packages are available:
  SUSE LE 15 SP1: kernel-azure 4.12.14-8.22.1

SUSE LE 15 SP1: new kernel packages (18/12/2019).
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.29.1

Ubuntu: new linux-image-4.15.0 packages (07/01/2020).
New packages are available:
  Ubuntu 14.04 ESM: linux-image-azure 4.15.0.1066.52
  Ubuntu 16.04 LTS: linux-image-generic-hwe-16.04 4.15.0.74.94
  Ubuntu 18.04 LTS: linux-image-generic 4.15.0.74.76

Ubuntu: new linux-image-4.4.0 packages (07/01/2020).
New packages are available:
  Ubuntu 14.04 ESM: linux-image-generic-lts-xenial 4.4.0.171.150
  Ubuntu 16.04 LTS: linux-image-generic 4.4.0.171.179

Ubuntu: new linux-image-5.0.0 packages (07/01/2020).
New packages are available:
  Ubuntu 18.04 LTS: linux-image-azure 5.0.0.1028.39
  Ubuntu 19.04: linux-image-generic 5.0.0.38.40

Ubuntu: new linux-image-5.3.0 packages (07/01/2020).
New packages are available:
  Ubuntu 18.04 LTS: linux-image-generic-hwe-18.04 5.3.0.26.95, linux-image-azure-edge 5.3.0.1009.9
  Ubuntu 19.10: linux-image-generic 5.3.0.26.30

Wind River Linux: version 10.17.41.20.
The version 10.17.41.20 is fixed:
  https://support2.windriver.com/

Wind River Linux: version 10.19.45.4.
The version 10.19.45.4 is fixed:
  https://support2.windriver.com/
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