CVE-2017-12137

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.

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 computed
Severity88% × 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

References (16)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 39× 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.

  1. 2026-07-26 14:51 UTCEPSS rescore
  2. 2026-07-25 14:13 UTCEPSS rescore
  3. 2026-07-23 14:15 UTCEPSS rescore
  4. 2026-07-23 01:26 UTCEG score recompute
  5. 2026-07-22 22:05 UTCEG score recompute
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  24. 2026-07-11 18:52 UTCOSV refresh
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  1. 2026-07-09 19:06 UTCEPSS rescore
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  19. 2026-06-23 21:30 UTCEPSS rescore
  20. 2026-06-23 01:30 UTCOSV refresh
  21. 2026-06-22 14:23 UTCEPSS rescore
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  43. 2026-06-05 22:44 UTCEPSS rescore
  44. 2026-06-05 20:57 UTCOSV refresh
  45. 2026-06-05 06:08 UTCEPSS rescore
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  47. 2026-06-04 13:10 UTCEPSS rescore
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  49. 2026-06-02 20:11 UTCEPSS rescore
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  51. 2026-06-01 13:49 UTCEPSS rescore
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  67. 2026-05-22 10:28 UTCEG score recompute
  68. 2026-05-22 10:28 UTCGHSA enrichment
  69. 2026-05-20 22:37 UTCEPSS rescore
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  71. 2026-05-20 11:21 UTCEPSS rescore
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  73. 2026-05-18 21:30 UTCEPSS rescore
  74. 2026-05-18 21:30 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2017-12137?
CVE-2017-12137 is a high vulnerability published on August 24, 2017. arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to mapgrantref.
When was CVE-2017-12137 disclosed?
CVE-2017-12137 was first published in the National Vulnerability Database on August 24, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-12137 actively exploited?
CVE-2017-12137 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 64.2% of all scored CVEs.
What is the CVSS score of CVE-2017-12137?
CVE-2017-12137 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2017-12137?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-12137, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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