CVE-2018-1118
Moderate
CVE-2018-1118
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.
Exploit probability
0.4%
Published
May 10, 2018
Required by
Not available
Last source change
April 16, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2018-1118
View original source
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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2018:2948
- https://access.redhat.com/errata/RHSA-2018:3083
- https://access.redhat.com/errata/RHSA-2018:3096
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1118
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- https://usn.ubuntu.com/3762-1/
- https://usn.ubuntu.com/3762-2/