Vigil@nce - Linux kernel: overload via KVM Ioapic Lazy EOI
November 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Linux.
Severity: 1/4.
Consequences: denial of service on server, denial of service on
service.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 29/10/2020.
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.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Linux-kernel-overload-via-KVM-Ioapic-Lazy-EOI-33733