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Vigil@nce - QEMU: buffer overflow via load_device_tree

May 2019 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert

SYNTHESIS OF THE VULNERABILITY

Impacted products: Debian, openSUSE Leap, QEMU, RHEL, SUSE Linux
Enterprise Desktop, SLES, Ubuntu.

Severity: 2/4.

Consequences: administrator access/rights, denial of service on
server, denial of service on service.

Provenance: user shell.

Confidence: confirmed by the editor (5/5).

Creation date: 27/03/2019.

DESCRIPTION OF THE VULNERABILITY

An attacker, inside a guest system, can trigger a buffer overflow
via load_device_tree() of QEMU, in order to trigger a denial of
service, and possibly to run code on the host system.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/QEMU-buffer-overflow-via-load-device-tree-28875


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