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TI-2016-07653 Aliases CVE-2016-9381GHSA-fg67-6qhp-f8mj

Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain…

Priority LOW 33CWE-362Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability.

Why it matters now

EPSS 0.00292 21st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 6

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*up to 2.7.1VulnerableQEMU
cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:*2.8.0 rc0VulnerableQEMU
cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*6.0.2VulnerableCitrix
cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:*6.2.0VulnerableCitrix
cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*6.5VulnerableCitrix
cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*7.0VulnerableCitrix
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 2.7.1 Vulnerable ·QEMU
  • cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:* Versions 2.8.0 rc0 Vulnerable ·QEMU
  • cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* Versions 6.0.2 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:* Versions 6.2.0 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Citrix

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

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

Not affected: 7 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
  • Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
  • Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
  • Red Hat OpenStack Platform 8 (Liberty)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-9381
  2. 2026-10-03 Alias added: GHSA-fg67-6qhp-f8mj

References

Sources