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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.37% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 31.0% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-05-10 22:00Z8 YR AGO
- Last updated
- 2024-08-05 03:51Z2 YR AGO
- Reserved
- 2017-12-04
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.3)
- CNA CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- Data version
- 5.1
- Document digest
- bde94396ee2d2582ebdc7aaf2f1b00c39893d2d00b92c2ed63efdbcbaea9ca02
05 Affected products
06 References
- access.redhat.comRHSA-2018:3083https://access.redhat.com/errata/RHSA-2018:3083
- usn.ubuntu.comUSN-3762-1https://usn.ubuntu.com/3762-1/
- lists.debian.org[debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new packagehttps://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- access.redhat.comRHSA-2018:2948https://access.redhat.com/errata/RHSA-2018:2948
- usn.ubuntu.comUSN-3762-2https://usn.ubuntu.com/3762-2/
- access.redhat.comRHSA-2018:3096https://access.redhat.com/errata/RHSA-2018:3096
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1118
07 Fixed in
Debian 12
- linux Fixed in 4.17.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 4.17.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 4.17.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- linux-azure Fixed in 4.15.0-1023.24~16.04.1
- linux-gcp Fixed in 4.15.0-1019.20~16.04.1
- linux-hwe Fixed in 4.15.0-34.37~16.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- linux Fixed in 4.15.0-34.37
- linux-aws Fixed in 4.15.0-1021.21
- linux-azure Fixed in 4.15.0-1023.24
- linux-gcp Fixed in 4.15.0-1019.20
- linux-kvm Fixed in 4.15.0-1021.21
- linux-oem Fixed in 4.15.0-1018.21
- linux-raspi2 Fixed in 4.15.0-1022.24
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.