CVEvulnerability

CVE-2018-1118

5.5 MEDIUM Published 2018-05-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-05-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
2.3 LOW — CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS 3.0 ([email protected])
5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200, CWE-665

Description

Linux kernel vhost since version 4.8 does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file.

Affected configurations

• linux linux kernel (>= 4.8 < 4.18) • debian debian linux 8.0 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • redhat virtualization host 4.0 • redhat enterprise linux desktop 7.0 • redhat enterprise linux server 7.0 • redhat enterprise linux workstation 7.0

Related

Weakness · CWE (2)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
  • CWE-665 Improper Initialization weakness

References