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Vulnerability of Linux kernel: memory corruption via /dev/kvm

Synthesis of the vulnerability 

An attacker, inside a guest system, can trigger a memory corruption via /dev/kvm of the Linux kernel, in order to trigger a denial of service, and possibly to run code on the host system.
Impacted systems: Linux.
Severity of this alert: 2/4.
Creation date: 26/05/2021.
Références of this alert: CVE-2021-22543, GHSA-7wq5-phmq-m584, VIGILANCE-VUL-35543.

Description of the vulnerability 

An attacker, inside a guest system, can trigger a memory corruption via /dev/kvm...
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This computer vulnerability alert impacts software or systems such as Linux.

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

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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