CVE-2017-12137
arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.
02 Description
arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.
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
- 0.43% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 37.6% 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
- 2017-08-24 14:00Z9 YR AGO
- Last updated
- 2024-08-05 18:28Z2 YR AGO
- Reserved
- 2017-08-01
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
- Data version
- 5.1
- Document digest
- b7663713e3bf62dff14904f0f3a7e0280882fb8bf06f5673498804c5406d4f13
05 Affected products
06 References
- support.citrix.comhttps://support.citrix.com/article/CTX225941
- www.openwall.com[oss-security] 20170815 Xen Security Advisory 227 (CVE-2017-12137) - x86: PV privilege escalation via map_grant_refhttp://www.openwall.com/lists/oss-security/2017/08/15/2
- www.securitytracker.com1039174http://www.securitytracker.com/id/1039174
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1477657
- www.debian.orgDSA-3969http://www.debian.org/security/2017/dsa-3969
- security.gentoo.orgGLSA-201801-14https://security.gentoo.org/glsa/201801-14
- www.securityfocus.com100342http://www.securityfocus.com/bid/100342
- xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-227.html
07 Fixed in
Debian 12
- xen Fixed in 4.8.1-1+deb9u3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.8.1-1+deb9u3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.8.1-1+deb9u3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- xen Fixed in 4.4.2-0ubuntu0.14.04.14
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- xen Fixed in 4.6.5-0ubuntu1.4
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.