CVE-2017-14316: n/a vulnerability

CVE-2017-14316: A parameter verification issue was discovered in Xen through 4.9.x.

A parameter verification issue was discovered in Xen through 4.9.x. The function `alloc_heap_pages` allows callers to specify the first NUMA node that should be used for allocations through the `memflags` parameter; the node is extracted using the `MEMF_get_node` macro. While the function checks to see if the special constant `NUMA_NO_NODE` is specified, it otherwise does not handle the case where `node >= MAX_NUMNODES`. This allows an out-of-bounds access to an internal array.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 19:20 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2017-14316 is a Xen hypervisor issue through 4.9.x involving improper parameter verification. A malformed NUMA node value can cause out-of-bounds access to an internal array. The public bundle does not state impact, required privileges, or exploit status, so urgency depends on whether exposed infrastructure runs affected Xen builds. Exposure is most likely in environments running Xen through 4.9.x, including downstream distributions or products referenced by Xen, Citrix, and Debian advisories. The bundle does not provide CPEs, exact downstream versions, or public-facing attack surface details. Prioritize an inventory-driven review rather than emergency response. This affects virtualization infrastructure, which can have high business impact, but the supplied sources do not confirm severity, exploitability, or active exploitation. Mitigation focus: Inventory Xen hypervisors and downstream Xen packages for versions through 4.9.x.; Review Xen XSA-231 for vendor-confirmed affected versions and fixes.; Review Citrix CTX227185 if Citrix virtualization products are in use..

Prepared: Jun 12, 2026, 21:19 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 12, 2017, 15:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://support.citrix.com/article/CTX227185CVE reference · x_refsource_CONFIRM
DSA-4050CVE reference · vendor-advisory, x_refsource_DEBIAN
[debian-lts-announce] 20181018 [SECURITY] [DLA 1549-1] xen security updateCVE reference · mailing-list, x_refsource_MLIST

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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