CVE-2018-10471
An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of
02 Description
An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of
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
- 0.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 36.1% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (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:C/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. 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
- 2018-04-27 15:00Z8 YR AGO
- Last updated
- 2024-08-05 07:39Z2 YR AGO
- Reserved
- 2018-04-27
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- 7e42c78c4a777f07a6c997b8f5699df63237e3c0941d507876989d868ff4dae7
05 Affected products
06 References
- www.securityfocus.com104003http://www.securityfocus.com/bid/104003
- security.gentoo.orgGLSA-201810-06https://security.gentoo.org/glsa/201810-06
- xenbits.xen.orghttps://xenbits.xen.org/xsa/advisory-259.html
- www.debian.orgDSA-4201https://www.debian.org/security/2018/dsa-4201
- lists.debian.org[debian-lts-announce] 20181018 [SECURITY] [DLA 1549-1] xen security updatehttps://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
07 Fixed in
Debian 12
- xen Fixed in 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- xen No fix yet
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.