CVE-2011-1763

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 1%CVSS: —Exploit: NoneExposed: 0

A fix is available — apply it.

The get_free_port function in Xen allows local authenticated DomU users to cause a denial of service or possibly gain privileges via unspecified vectors involving a new event channel port.

CVSS v3
—
EG Score
0.0(none)
EG Risk
0
EG Risk 0/100

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. It is distinct from the 0–10 EG Score, which measures severity.

EPSS
42.9%
KEV
Not listed

Published

January 7, 2014

Last Modified

April 29, 2026

References (6)

Vendor Advisories for CVE-2011-1763(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatkernel-0:2.6.18-238.12.1.el52011-05-31redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Data Freshness Timeline

(refreshed 11× in last 7d / 41× 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 105 total refreshes for this CVE.

  1. 2026-07-23 01:05 UTCEG score recompute
  2. 2026-07-23 00:08 UTCEG score recompute
  3. 2026-07-22 21:47 UTCEG score recompute
  4. 2026-07-22 14:03 UTCEPSS rescore
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  1. 2026-07-02 14:01 UTCEPSS rescore
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  53. 2026-05-31 22:28 UTCEPSS rescore
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  55. 2026-05-29 13:41 UTCEPSS rescore
  56. 2026-05-29 13:40 UTCEPSS rescore
  57. 2026-05-28 21:00 UTCEG score recompute
  58. 2026-05-28 21:00 UTCVendor advisory
  59. 2026-05-28 21:00 UTCGHSA enrichment
  60. 2026-05-28 13:42 UTCEPSS rescore
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  75. 2026-05-20 22:37 UTCEPSS rescore

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Frequently asked(4)

What is CVE-2011-1763?
CVE-2011-1763 is a none vulnerability published on January 7, 2014. The getfreeport function in Xen allows local authenticated DomU users to cause a denial of service or possibly gain privileges via unspecified vectors involving a new event channel port.
When was CVE-2011-1763 disclosed?
CVE-2011-1763 was first published in the National Vulnerability Database on January 7, 2014, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-1763 actively exploited?
CVE-2011-1763 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2011-1763?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-1763, 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.

Dependency Blast Radius

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