CVE-2019-5609

Published: Aug 30, 2019Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the bhyve e1000 device emulation used a guest-provided value to determine the size of the on-stack buffer without validation when TCP segmentation offload is requested for a transmitted packet. A misbehaving bhyve guest could overwrite memory in the bhyve process on the host.

Affected (24)

Products: Freebsd: Freebsd

Freebsd

1 product

Freebsd

Configuration A

24 vulnerable

Vulnerable Software	Affected Versions
Freebsd Freebsd	Version 11.2
Freebsd Freebsd	Version 11.2 p10
Freebsd Freebsd	Version 11.2 p11
Freebsd Freebsd	Version 11.2 p12
Freebsd Freebsd	Version 11.2 p13
Freebsd Freebsd	Version 11.2 p2
Freebsd Freebsd	Version 11.2 p3
Freebsd Freebsd	Version 11.2 p4
Freebsd Freebsd	Version 11.2 p5
Freebsd Freebsd	Version 11.2 p6
Freebsd Freebsd	Version 11.2 p7
Freebsd Freebsd	Version 11.2 p8
Freebsd Freebsd	Version 11.2 p9
Freebsd Freebsd	Version 11.3
Freebsd Freebsd	Version 11.3
Freebsd Freebsd	Version 11.3 p1
Freebsd Freebsd	Version 11.3 p2
Freebsd Freebsd	Version 11.3 p3
Freebsd Freebsd	Version 12.0
Freebsd Freebsd	Version 12.0 p1
Freebsd Freebsd	Version 12.0 p3
Freebsd Freebsd	Version 12.0 p4
Freebsd Freebsd	Version 12.0 p5
Freebsd Freebsd	Version 12.0 p8