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Vulnerability of Linux kernel: denial of service via fs/fuse/fuse_i.h

Synthesis of the vulnerability 

An attacker can trigger a fatal error via fs/fuse/fuse_i.h of the Linux kernel, in order to trigger a denial of service.
Vulnerable systems: Fedora, Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 1/4.
Creation date: 22/03/2021.
Références of this weakness: CERTFR-2021-AVI-265, CERTFR-2021-AVI-278, CERTFR-2021-AVI-284, CERTFR-2021-AVI-302, CERTFR-2021-AVI-387, CERTFR-2021-AVI-392, CERTFR-2021-AVI-436, CERTFR-2021-AVI-469, CVE-2021-28950, FEDORA-2021-e49da8a226, openSUSE-SU-2021:0579-1, openSUSE-SU-2021:0758-1, SUSE-SU-2021:1211-1, SUSE-SU-2021:1238-1, SUSE-SU-2021:1301-1, SUSE-SU-2021:14724-1, SUSE-SU-2021:1572-1, SUSE-SU-2021:1573-1, SUSE-SU-2021:1595-1, SUSE-SU-2021:1596-1, SUSE-SU-2021:1605-1, 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-4911-1, USN-4982-1, USN-4984-1, VIGILANCE-VUL-34904.

Description of the vulnerability 

An attacker can trigger a fatal error via fs/fuse/fuse_i.h of the Linux kernel, in order to trigger a denial of service.
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This cybersecurity note impacts software or systems such as Fedora, Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

Solutions for this threat 

Linux kernel: version 5.11.8.
The version 5.11.8 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.10.25.
The version 5.10.25 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.4.107.
The version 5.4.107 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: patch for fs/fuse/fuse_i.h.
A patch is indicated in information sources.

Fedora 33: new kernel packages.
New packages are available:
  Fedora 33: kernel 5.11.8-200.fc33

openSUSE Leap 15.2: new kernel packages.
New packages are available:
  openSUSE Leap 15.2: kernel 5.3.18-lp152.72.1

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 11 SP4: new kernel packages.
New packages are available:
  SUSE LE 11 SP4: kernel 3.0.101-108.126.1

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 4.12.14-16.56.1

SUSE LE 12 SP5: new kernel packages (17/05/2021).
New packages are available:
  SUSE LE 12 SP5: kernel 4.12.14-122.71.1

SUSE LE 12 SP5: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP5: kernel-rt 4.12.14-10.43.1

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 5.3.18-18.44.1

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 20.04: new linux-image-oem-20.04b packages.
New packages are available:
  Ubuntu 20.04 LTS: linux-image-oem-20.04b 5.10.0.1021.22

Ubuntu: new linux-image-5.4.0 packages.
New packages are available:
  Ubuntu 18.04 LTS: linux-image-generic-hwe-18.04 5.4.0.74.83~18.04.67
  Ubuntu 20.04 LTS: linux-image-generic 5.4.0.74.77

Ubuntu: new linux-image-5.8.0 packages.
New packages are available:
  Ubuntu 20.10: linux-image-generic 5.8.0.55.60
  Ubuntu 20.04 LTS: linux-image-generic-hwe-20.04 5.8.0.55.62~20.04.39
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