CVE-2017-15594
An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service (hypervisor crash) or gain privileges because IDT settings are mishandled during CPU
02 Description
An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service (hypervisor crash) or gain privileges because IDT settings are mishandled during CPU
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
- 0.38% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 32.0% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (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:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. 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
- 2017-10-18 08:00Z9 YR AGO
- Last updated
- 2024-08-05 19:57Z2 YR AGO
- Reserved
- 2017-10-18
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- f3792c1370d578045340c5987d7f20cfdc0e1bb06c50a4946d24a8a0bcf66cdd
05 Affected products
06 References
- lists.debian.org[debian-lts-announce] 20181030 [SECURITY] [DLA 1559-1] xen security updatehttps://lists.debian.org/debian-lts-announce/2018/10/msg00021.html
- xenbits.xen.orghttps://xenbits.xen.org/xsa/advisory-244.html
- www.debian.orgDSA-4050https://www.debian.org/security/2017/dsa-4050
- support.citrix.comhttps://support.citrix.com/article/CTX228867
- security.gentoo.orgGLSA-201801-14https://security.gentoo.org/glsa/201801-14
- www.securitytracker.com1039568http://www.securitytracker.com/id/1039568
07 Fixed in
Debian 12
- xen Fixed in 4.8.2+xsa245-0+deb9u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.8.2+xsa245-0+deb9u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.8.2+xsa245-0+deb9u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- xen Fixed in 4.9.2-0ubuntu1
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.