CVE-2018-1118
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
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.
Overview
- CVE ID
- CVE-2018-1118
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2018-05-10T22:29:00
- Last Modified Date
- 2023-02-13T04:53:18
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.8 | 4.18 |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| 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://access.redhat.com/security/cve/CVE-2018-1118 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1573699 | |
| 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-1118 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1118 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:05:05 | Added to TrackCVE | |||
| 2022-12-03 06:07:18 | 2018-05-10T22:29Z | 2018-05-10T22:29:00 | CVE Published Date | updated |
| 2022-12-03 06:07:18 | 2019-10-09T23:38:08 | CVE Modified Date | updated | |
| 2022-12-03 06:07:18 | Modified | Vulnerability Status | updated | |
| 2023-02-02 16:07:41 | 2023-02-02T15:17:30 | CVE Modified Date | updated | |
| 2023-02-02 16:07:41 | 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. | Description | updated |
| 2023-02-02 16:07:42 | References | updated | ||
| 2023-02-13 05:09:41 | 2023-02-13T04:53:18 | CVE Modified Date | updated | |
| 2023-02-13 05:09:41 | Weakness Enumeration | update | ||
| 2023-02-13 05:09:42 | 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. | Description | updated |