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Vulnerability of Linux kernel: denial of service via dw_spi_irq

Synthesis of the vulnerability 

An attacker can trigger a fatal error via dw_spi_irq() of the Linux kernel, in order to trigger a denial of service.
Impacted products: Linux.
Severity of this bulletin: 1/4.
Creation date: 11/05/2020.
Références of this threat: CVE-2020-12769, VIGILANCE-VUL-32223.

Description of the vulnerability 

An attacker can trigger a fatal error via dw_spi_irq() of the Linux kernel, in order to trigger a denial of service.
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This computer weakness announce impacts software or systems such as Linux.

Our Vigil@nce team determined that the severity of this security alert 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 vulnerability.

Solutions for this threat 

Linux kernel: version 5.4.17.
The version 5.4.17 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.101.
The version 4.19.101 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.9.224.
The version 4.9.224 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.9.224.tar.xz

Linux kernel: version 4.4.224.
The version 4.4.224 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.4.224.tar.xz

Linux kernel: version 3.16.84.
The version 3.16.84 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v3.x/

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

Wind River Linux: version 10.18.44.17.
The version 10.18.44.17 is fixed:
  https://support2.windriver.com/

Wind River Linux: version 10.19.45.8.
The version 10.19.45.8 is fixed.
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