Security readout for executives and security teams
CVE-2013-2078 is a Xen hypervisor denial-of-service issue. A user inside a paravirtualized guest can trigger a hypervisor crash through certain XSETBV instruction states, potentially taking down workloads on that host. The public bundle does not show confirmed active exploitation. Exposure is most likely on legacy Xen deployments running affected 4.0.x, 4.1.x, or 4.2.x hypervisors with PV guests, especially where guest users are untrusted or multi-tenant workloads share a host. Treat this as high priority for any remaining legacy Xen PV environment. A single guest-side user could cause host-level downtime, so business impact may extend beyond one virtual machine. Mitigation focus: Inventory Xen hosts and identify affected 4.0.x, 4.1.x, and 4.2.x versions.; Apply Xen or distribution security updates referenced by vendor advisories.; Check current vendor guidance before choosing a remediation path..
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
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ATT&CK lookup starting points
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CVE-2013-2078 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
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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
Products and packages named in the record
CWE details
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