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-vulne...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Fedora, Linux, openSUSE Leap, oVirt, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
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.
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.
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