Security readout for executives and security teams
CVE-2016-4453 is a QEMU display-device denial-of-service flaw. A local administrator inside a guest VM could trigger a VMware VGA command path that loops or crashes the QEMU process. This is mainly an availability risk for virtual machines, not evidence of data theft or host takeover from the supplied sources. Exposure is likely limited to environments running QEMU with the VMware SVGA/VMSVGA display device available to guest systems. The attacker prerequisite is local guest OS administrator access. Version-specific exposure must be confirmed against vendor advisories because the bundle lists affected products and versions as n/a. Treat as a maintenance-priority virtualization availability issue. Prioritize shared, customer-facing, or operationally critical QEMU platforms first. Urgency increases where untrusted users control guest operating systems, but the provided evidence does not support emergency treatment for broad internet-facing exploitation. Mitigation focus: Apply supported QEMU security updates from your OS or virtualization vendor.; Review Ubuntu, Gentoo, Debian, and upstream QEMU advisories for fixed package versions.; Restrict guest administrative access to trusted operators only..
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-2016-4453 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
- [qemu-devel] 20160530 [Qemu-devel] [PATCH 4/4] vmsvga: don't process more than 1024 fifo commands at onceCVE reference · mailing-list, x_refsource_MLIST
- GLSA-201609-01CVE reference · vendor-advisory, x_refsource_GENTOO
- https://bugzilla.redhat.com/show_bug.cgi?id=1336650CVE reference · x_refsource_CONFIRM
- [debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security updateCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
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