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Vulnerability of Linux kernel: privilege escalation via AF_VSOCK

Synthesis of the vulnerability 

An attacker can bypass restrictions via AF_VSOCK of the Linux kernel, in order to escalate his privileges.
Impacted products: Linux, Ubuntu.
Severity of this bulletin: 2/4.
Creation date: 05/02/2021.
Références of this threat: CERTFR-2021-AVI-109, CVE-2021-26708, USN-4727-1, VIGILANCE-VUL-34491.

Description of the vulnerability 

An attacker can bypass restrictions via AF_VSOCK of the Linux kernel, in order t...
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This cybersecurity announce impacts software or systems such as Linux, Ubuntu.

Our Vigil@nce team determined that the severity of this threat alert is medium.

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 weakness alert.

Solutions for this threat 

Patches for this vulnerability are not yet public.
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