Security readout for executives and security teams
Plain-English summary
This flaw affects QEMU savevm or migration data handling. If someone can tamper with saved VM state on disk or in transit, they may corrupt QEMU memory on the destination host and potentially run code with QEMU process privileges.
Executive priority
Prioritize review for virtualization platforms handling important workloads. The business risk is host-level compromise from tampered VM state, but urgency depends on whether attackers can modify migration or savevm data.
Technical view
CVE-2013-4536 is described for qemu-kvm 1.5.3. The vulnerable condition is malformed or altered savevm data, including data crossing a migration path. The reported impact is QEMU process memory corruption on the destination host, potentially leading to arbitrary code execution as the QEMU process.
Likely exposure
Exposure is most likely in environments using affected qemu-kvm with VM save/restore or live migration workflows where savevm data can be modified on disk or in transit.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires the attacker or user to be able to alter savevm data, which limits risk to environments with weak storage, migration-channel, or administrative controls.
Researcher notes
Evidence is limited: no CVSS vector, no named patch, and no exploit confirmation in the provided bundle. The CVE lists CWE-269, while the description focuses on memory corruption caused by altered savevm data.
Mitigation direction
- Check QEMU, Red Hat, and platform vendor guidance for supported fixes.
- Remove or upgrade affected qemu-kvm 1.5.3 where vendor updates exist.
- Restrict savevm and migration operations to trusted administrators.
- Protect stored VM state files from unauthorized modification.
- Ensure migration traffic integrity is protected by trusted infrastructure controls.
Validation and detection
- Inventory virtualization hosts for qemu-kvm 1.5.3 usage.
- Identify whether savevm, restore, or VM migration workflows are enabled.
- Verify permissions on saved VM state files and storage paths.
- Review migration network trust boundaries and access controls.
- Check vendor advisories for product-specific affected status and remediation.
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.
CWE-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution 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-2013-4536 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
- https://bugzilla.redhat.com/show_bug.cgi?id=1066401CVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210727-0002/CVE 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.
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.