arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.
CVE-2017-12137
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EG Risk
- 44(Track)EG Risk 44/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity88% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 36%
- KEV
- Not listed
Published
August 24, 2017
Last Modified
June 17, 2026
Advisory Details (8)
Auto-updated Aug 17, 2026oss-security - Xen Security Advisory 227 (CVE-2017-12137) - x86: PV privilege escalation via map_grant_ref
http://www.openwall.com/lists/oss-security/2017/08/15/2Xen: Multiple vulnerabilities (GLSA 201801-14) — Gentoo security
https://security.gentoo.org/glsa/201801-141477657 – (CVE-2017-12137, xsa227) CVE-2017-12137 xsa227 xen: x86: PV privilege escalation via map_grant_ref (XSA-227)
https://bugzilla.redhat.com/show_bug.cgi?id=1477657Affected Packages
(29 across 29 ecosystems)
Alpine:v3.10(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.15(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.16(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.17(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.18(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.19(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.20(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.21(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.22(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.23(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.24(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.3(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.6.6-r0 | — |
Alpine:v3.4(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.6.6-r0 | — |
Alpine:v3.5(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.7.3-r0 | — |
Alpine:v3.6(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.8.2-r0 | — |
Alpine:v3.7(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Alpine:v3.9(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.9.0-r1 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.8.1-1+deb9u3 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.8.1-1+deb9u3 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.8.1-1+deb9u3 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | — | 4.8.1-1+deb9u3 | — |
Debian:7(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | 4.1.4-3 ... 4.1.6.lts1-8 (20 versions) | 4.1.6.lts1-9 | — |
Debian:8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | 4.4.1-9 ... 4.4.1-9+deb8u9 (10 versions) | 4.4.1-9+deb8u10 | — |
Debian:9(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| xen | 4.8.1-1+deb9u1, 4.8.1-1+deb9u2 | 4.8.1-1+deb9u3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 5× in last 7d / 26× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 125 total refreshes for this CVE.
- 2026-08-25 13:44 UTCEPSS rescore
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Related CVEs(same CWE)
Same CWE
10 shownCWE-120
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- CVE-2012-10035EG 10.0CRITICAL
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- CVE-1999-0385EG 10.0EPSS p97HIGH
Frequently asked(5)
What is CVE-2017-12137?
When was CVE-2017-12137 disclosed?
Is CVE-2017-12137 actively exploited?
What is the CVSS score of CVE-2017-12137?
How do I remediate CVE-2017-12137?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-12137
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