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Vulnerability of Linux kernel: memory corruption via CAN ISOTP

Synthesis of the vulnerability 

An attacker can trigger a memory corruption via CAN ISOTP of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Impacted software: Fedora, Linux.
Severity of this computer vulnerability: 1/4.
Creation date: 12/05/2021.
Références of this announce: CVE-2021-32606, FEDORA-2021-4f852b79d1, FEDORA-2021-8832eab899, FEDORA-2021-bae582b42c, VIGILANCE-VUL-35398.

Description of the vulnerability 

An attacker can trigger a memory corruption via CAN ISOTP of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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This cybersecurity threat impacts software or systems such as Fedora, Linux.

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

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

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this security threat.

Solutions for this threat 

Linux kernel: version 5.12.9.
The version 5.12.9 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

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

Fedora 32-34: new kernel packages.
New packages are available:
  Fedora 32: kernel 5.11.21-100.fc32
  Fedora 33: kernel 5.11.21-200.fc33
  Fedora 34: kernel 5.11.21-300.fc34
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