CVE-2018-1118
Linux kernel Vhost Information Disclosure
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.
INFO
Published Date :
May 10, 2018, 10:29 p.m.
Last Modified :
Feb. 13, 2023, 4:53 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2018-1118
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-1118.
| URL | Resource |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:2948 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2018:3083 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2018:3096 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1118 | Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/3762-1/ | Third Party Advisory |
| https://usn.ubuntu.com/3762-2/ | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-1118 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-1118 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Changed Description The Linux kernel 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. 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. Removed Reference https://access.redhat.com/security/cve/CVE-2018-1118 [No Types Assigned] Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1573699 [No Types Assigned] Added CWE Red Hat, Inc. CWE-665 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed 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. The Linux kernel 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. Added Reference https://access.redhat.com/security/cve/CVE-2018-1118 [No Types Assigned] Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1573699 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-665 Removed CWE Reason CWE-665 / Assessment performed prior to CVMAP efforts -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N Added CWE Red Hat, Inc. CWE-665 -
Modified Analysis by [email protected]
Mar. 09, 2019
Action Type Old Value New Value Changed Reference Type https://access.redhat.com/errata/RHSA-2018:2948 No Types Assigned https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3096 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3083 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory Changed Reference Type https://usn.ubuntu.com/3762-1/ No Types Assigned https://usn.ubuntu.com/3762-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/3762-2/ No Types Assigned https://usn.ubuntu.com/3762-2/ Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.8 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.8 up to (excluding) 4.18 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Added CPE Configuration OR *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 31, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:3096 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2018:3083 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2018:2948 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 11, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3762-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3762-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 20, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 13, 2018
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1118 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1118 Issue Tracking, Third Party Advisory Added CWE CWE-200 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.8
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-1118 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-1118
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile