Security readout for executives and security teams
CVE-2014-7840 is a QEMU migration handling flaw. If QEMU loads crafted savevm or migration data, an attacker may be able to execute arbitrary code. The public bundle does not identify exact affected versions, but it points to QEMU and Red Hat fixes. Most relevant to environments using QEMU migration, savevm, or restore workflows, especially where migration streams cross trust boundaries. Exposure is unclear for specific products or versions because the source bundle lists affected vendor, product, and versions as n/a. Prioritize remediation where QEMU migration is enabled or exposed. The business risk is potential code execution in virtualization infrastructure, but urgency should be calibrated because the provided sources do not confirm active exploitation or exact affected versions. Mitigation focus: Apply QEMU or vendor updates referenced by the advisories.; Check Red Hat advisories if using Red Hat virtualization packages.; Restrict QEMU migration and savevm inputs to trusted sources..
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
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-2014-7840 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
- qemu-cve20147840-code-exec(99194)CVE reference · vdb-entry, x_refsource_XF
- https://bugzilla.redhat.com/show_bug.cgi?id=1163075CVE reference · x_refsource_CONFIRM
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.