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Vulnerability of Linux kernel: memory leak via hsr_dev_finalize

Synthesis of the vulnerability 

An attacker can create a memory leak via hsr_dev_finalize() of the Linux kernel, in order to trigger a denial of service.
Vulnerable products: Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 1/4.
Creation date: 01/10/2019.
Références of this bulletin: CERTFR-2019-AVI-561, CERTFR-2019-AVI-575, CERTFR-2019-AVI-612, CERTFR-2019-AVI-635, CERTFR-2020-AVI-029, CVE-2019-16995, openSUSE-SU-2019:2444-1, openSUSE-SU-2019:2503-1, SUSE-SU-2019:2946-1, SUSE-SU-2019:2947-1, SUSE-SU-2019:2949-1, SUSE-SU-2019:2951-1, SUSE-SU-2019:2952-1, SUSE-SU-2019:2953-1, SUSE-SU-2019:2984-1, SUSE-SU-2019:3200-1, SUSE-SU-2019:3294-1, SUSE-SU-2019:3295-1, SUSE-SU-2020:0093-1, VIGILANCE-VUL-30486.

Description of the vulnerability 

An attacker can create a memory leak via hsr_dev_finalize() of the Linux kernel, in order to trigger a denial of service.
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This computer threat alert impacts software or systems such as Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

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

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

An attacker with a expert ability can exploit this computer weakness bulletin.

Solutions for this threat 

Linux kernel: version 5.0.3.
The version 5.0.3 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.20.17.
The version 4.20.17 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.19.30.
The version 4.19.30 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.107.
The version 4.14.107 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.164.
The version 4.9.164 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

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

openSUSE Leap 15.0: new kernel packages (14/11/2019).
New packages are available:
  openSUSE Leap 15.0: kernel 4.12.14-lp150.12.82.1

openSUSE Leap 15.1: new kernel packages (06/11/2019).
New packages are available:
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.25.1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.125.1

SUSE LE 12 SP3: new kernel packages (13/11/2019).
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.107.1

SUSE LE 12 SP4: new kernel-azure packages (13/11/2019).
New packages are available:
  SUSE LE 12 SP4: kernel-azure 4.12.14-6.29.1

SUSE LE 12 SP4: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP4: kernel-rt 4.12.14-8.9.3

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 15 RTM: new kernel-azure packages (13/11/2019).
New packages are available:
  SUSE LE 15 RTM: kernel-azure 4.12.14-5.44.1

SUSE LE 15 RTM: new kernel packages (13/11/2019).
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.41.1

SUSE LE 15 SP1: new kernel-azure packages (13/11/2019).
New packages are available:
  SUSE LE 15 SP1: kernel-azure 4.12.14-8.19.1

SUSE LE 15 SP1: new kernel packages (13/11/2019).
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.26.1

SUSE LE 15 SP1: new kernel-rt packages.
New packages are available:
  SUSE LE 15 SP1: kernel-rt 4.12.14-14.14.3

Wind River Linux: version 10.17.41.19.
The version 10.17.41.19 is fixed.
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Computer vulnerabilities tracking service 

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