The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.


Synthesis of the vulnerability 


An attacker can trigger an overload via KVM Ioapic Lazy EOI of the Linux kernel, in order to trigger a denial of service.
Vulnerable software: Linux.
Severity of this announce: 1/4.
Creation date: 29/10/2020.
Références of this computer vulnerability: CVE-2020-27152, VIGILANCE-VUL-33733.

Description of the vulnerability 


An attacker can trigger an overload via KVM Ioapic Lazy EOI of the Linux kernel, in order to trigger a denial of service.
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This threat impacts software or systems such as Linux.

Our Vigil@nce team determined that the severity of this computer threat 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 bulletin.

Solutions for this threat 


Linux kernel: version 5.9.2.
The version 5.9.2 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.8.17.
The version 5.8.17 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: patch for KVM Ioapic Lazy EOI.
A patch is indicated in information sources.
Full bulletin, software filtering, emails, fixes, … (Request your free trial)

Computer vulnerabilities tracking service 


Vigil@nce provides a software vulnerabilities database. The technology watch team tracks security threats targeting the computer system.





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