Vigil@nce - Linux kernel: buffer overflow via vhost/vhost_net
November 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Fedora, Linux, openSUSE Leap, oVirt,
RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 2/4.
Consequences: administrator access/rights, privileged
access/rights, user access/rights, denial of service on server,
denial of service on service, denial of service on client.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 17/09/2019.
Revision date: 25/09/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can trigger a buffer overflow
via vhost/vhost_net of the Linux kernel, 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/Linux-kernel-buffer-overflow-via-vhost-vhost-net-30355