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Vulnerability of Linux kernel: denial of service via usbip_sockfd_store

Synthesis of the vulnerability 

An attacker can trigger a fatal error via usbip_sockfd_store() of the Linux kernel, in order to trigger a denial of service.
Impacted software: Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this computer vulnerability: 1/4.
Creation date: 29/03/2021.
Références of this announce: CERTFR-2021-AVI-264, CERTFR-2021-AVI-278, CERTFR-2021-AVI-284, CERTFR-2021-AVI-372, CERTFR-2021-AVI-387, CERTFR-2021-AVI-392, CERTFR-2021-AVI-393, CERTFR-2021-AVI-469, CVE-2021-29265, openSUSE-SU-2021:0532-1, openSUSE-SU-2021:0758-1, SUSE-SU-2021:1175-1, SUSE-SU-2021:1176-1, SUSE-SU-2021:1177-1, SUSE-SU-2021:1210-1, SUSE-SU-2021:1211-1, SUSE-SU-2021:1238-1, SUSE-SU-2021:1573-1, SUSE-SU-2021:1596-1, SUSE-SU-2021:1617-1, SUSE-SU-2021:1623-1, SUSE-SU-2021:1624-1, SUSE-SU-2021:1975-1, SUSE-SU-2021:1977-1, USN-4945-1, USN-4945-2, USN-4946-1, USN-4949-1, VIGILANCE-VUL-34960.

Description of the vulnerability 

An attacker can trigger a fatal error via usbip_sockfd_store() of the Linux kernel, in order to trigger a denial of service.
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This threat bulletin impacts software or systems such as Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer threat 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 computer threat.

Solutions for this threat 

Linux kernel: version 5.11.7.
The version 5.11.7 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.10.24.
The version 5.10.24 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.4.106.
The version 5.4.106 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.4.262.
The version 4.4.262 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

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

openSUSE Leap 15.2: new kernel packages.
New packages are available:
  openSUSE Leap 15.2: kernel 5.3.18-lp152.69.1

openSUSE Leap 15.2: new kernel-rt packages.
New packages are available:
  openSUSE Leap 15.2: kernel-rt 5.3.18-lp152.3.8.1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.155.1

SUSE LE 12 SP3: new kernel packages.
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.144.1

SUSE LE 12 SP4: new kernel packages.
New packages are available:
  SUSE LE 12 SP4: kernel 4.12.14-95.74.1

SUSE LE 12 SP5: new kernel-azure packages.
New packages are available:
  SUSE LE 12 SP5: kernel-azure 4.12.14-16.50.1

SUSE LE 12 SP5: new kernel packages (16/04/2021).
New packages are available:
  SUSE LE 12 SP5: kernel 4.12.14-122.66.2

SUSE LE 12 SP5: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP5: kernel-rt 4.12.14-10.37.1

SUSE LE 15 RTM: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.72.1

SUSE LE 15 SP1: new kernel packages (18/05/2021).
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.89.2

SUSE LE 15 SP2: new kernel-azure packages.
New packages are available:
  SUSE LE 15 SP2: kernel-azure 5.3.18-18.41.1

SUSE LE 15 SP2: new kernel packages.
New packages are available:
  SUSE LE 15 SP2: kernel 5.3.18-24.61.1

SUSE LE 15 SP2: new kernel-rt packages.
New packages are available:
  SUSE LE 15 SP2: kernel-rt 5.3.18-33.1

SUSE LE 15 SP3: new kernel-azure packages.
New packages are available:
  SUSE LE 15 SP3: kernel-azure 5.3.18-38.3.1

SUSE LE 15 SP3: new kernel packages.
New packages are available:
  SUSE LE 15 SP3: kernel 5.3.18-59.5.2

Ubuntu: new linux-image-4.15.0 packages.
New packages are available, as indicated in information sources.

Ubuntu: new linux-image-5.4.0 packages.
New packages are available, as indicated in information sources.

Ubuntu: new linux-image-5.8.0 packages.
New packages are available, as indicated in information sources.

Ubuntu: new linux-image-raspi packages.
New packages are available:
  Ubuntu 20.04 LTS: linux-image-raspi 5.4.0.1035.70
  Ubuntu 18.04 LTS: linux-image-raspi-hwe-18.04 5.4.0.1035.37
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