Security readout for executives and security teams
This is a Xen hypervisor flaw that can let an administrator inside a guest VM crash the host under specific conditions. The known impact is denial of service through memory corruption; arbitrary code execution is described as possible but not confirmed in the provided sources. Exposure appears limited to Xen 4.2.x or 4.3.x hosts using device passthrough and configured for many CPUs. Risk is higher where guest administrators are untrusted, such as hosted virtualization, lab, or multi-tenant environments. Treat this as high priority for affected Xen fleets because one guest administrator may disrupt the whole host. It is most urgent in multi-tenant or delegated-administration environments. Systems not running Xen 4.2.x or 4.3.x with passthrough are less likely exposed. Mitigation focus: Identify Xen 4.2.x and 4.3.x hosts in virtualization inventory.; Check Xen XSA-83 and distribution advisories for applicable updates.; Prioritize affected hosts using device passthrough with untrusted guest administrators..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2014-1642 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
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
- xen-irq-cve20141642-code-exec(90649)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.