Vigil@nce - Xen: assertion error via VCPUOP_initialise
November 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: XenServer, openSUSE Leap, SUSE Linux Enterprise
Desktop, SLES, Xen.
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: 31/10/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can force an assertion error
via VCPUOP_initialise() of Xen, in order to trigger a denial of
service on the host system.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Xen-assertion-error-via-VCPUOP-initialise-30757