CVE-2018-10981
An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users to cause a denial of service (host OS infinite loop) in situations where a QEMU device model attempts to make invalid
02 Description
An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users to cause a denial of service (host OS infinite loop) in situations where a QEMU device model attempts to make invalid
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 36.2% 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
- 2018-05-10 22:00Z8 YR AGO
- Last updated
- 2024-08-05 07:54Z2 YR AGO
- Reserved
- 2018-05-10
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base
- Data version
- 5.1
- Document digest
- e44f36e095bd831889d6300d99ca547e0216dd4e889f75b4cc2641216623792d
05 Affected products
06 References
- www.securityfocus.com104149http://www.securityfocus.com/bid/104149
- security.gentoo.orgGLSA-201810-06https://security.gentoo.org/glsa/201810-06
- lists.debian.org[debian-lts-announce] 20180525 [SECURITY] [DLA 1383-1] xen security updatehttps://lists.debian.org/debian-lts-announce/2018/05/msg00015.html
- lists.debian.org[debian-lts-announce] 20181030 [SECURITY] [DLA 1559-1] xen security updatehttps://lists.debian.org/debian-lts-announce/2018/10/msg00021.html
- openwall.comhttp://openwall.com/lists/oss-security/2018/05/08/3
- www.debian.orgDSA-4201https://www.debian.org/security/2018/dsa-4201
- xenbits.xen.orghttps://xenbits.xen.org/xsa/advisory-262.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.