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TI-2016-04284 Aliases CVE-2016-4962GHSA-42rm-gcmp-3557

The libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators…

Priority LOW 30CWE-264Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.

Summary

The libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore.

Why it matters now

EPSS 0.00399 34th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 19

CPEVersionsRoleVendor
cpe:2.3:o:oracle:vm_server:3.3:*:*:*:*:*:*:*3.3VulnerableOracle
cpe:2.3:o:oracle:vm_server:3.4:*:*:*:*:*:*:*3.4VulnerableOracle
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*4.3.0VulnerableXen
cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*4.3.1VulnerableXen
cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:*4.3.2VulnerableXen
cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:*4.3.3VulnerableXen
cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:*4.3.4VulnerableXen
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*4.4.0VulnerableXen
cpe:2.3:o:xen:xen:4.4.0:rc1:*:*:*:*:*:*4.4.0 rc1VulnerableXen
cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*4.4.1VulnerableXen
  • cpe:2.3:o:oracle:vm_server:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Oracle
  • cpe:2.3:o:oracle:vm_server:3.4:*:*:*:*:*:*:* Versions 3.4 Vulnerable ·Oracle
  • cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* Versions 4.3.1 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:* Versions 4.3.2 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:* Versions 4.3.3 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:* Versions 4.3.4 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.0:rc1:*:*:*:*:*:* Versions 4.4.0 rc1 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:* Versions 4.4.1 Vulnerable ·Xen
Show 9 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*4.4.2VulnerableXen
cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*4.4.3VulnerableXen
cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:*4.4.4VulnerableXen
cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*4.5.0VulnerableXen
cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*4.5.1VulnerableXen
cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:*4.5.2VulnerableXen
cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:*4.5.3VulnerableXen
cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*4.6.0VulnerableXen
cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*4.6.1VulnerableXen
  • cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:* Versions 4.4.2 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:* Versions 4.4.3 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:* Versions 4.4.4 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* Versions 4.5.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* Versions 4.5.1 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:* Versions 4.5.2 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* Versions 4.5.3 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* Versions 4.6.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:* Versions 4.6.1 Vulnerable ·Xen

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-4962
  2. 2026-10-03 Alias added: GHSA-42rm-gcmp-3557

References

Advisory 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences