CVE-2018-1118 | BDVDB-2026-100563 Detail
kernelvhost
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.
Impact#
Per CVSS v3.0: confidentiality impact low, integrity impact none, availability impact none. Attack vector: local.
Weaknesses#
- CWE-665 Improper Initialization
References#
- https://access.redhat.com/errata/RHSA-2018:3083
- https://usn.ubuntu.com/3762-1/
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- https://access.redhat.com/errata/RHSA-2018:2948
- https://usn.ubuntu.com/3762-2/
- https://access.redhat.com/errata/RHSA-2018:3096
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1118
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.