CVE-2011-2512: n/a vulnerability

CVE-2011-2512: The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, whi...

The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 23:00 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2011-2512 is an old qemu-kvm virtio handling flaw. A user inside a guest VM could send an invalid negative queue number, causing a guest crash and possibly arbitrary code execution. Business urgency depends on whether legacy qemu-kvm 0.14.0 or earlier remains in use. Exposure is most likely on legacy virtualization hosts running qemu-kvm 0.14.0 or earlier, especially where untrusted or multi-tenant guest users can interact with virtio devices. Treat this as a legacy virtualization hygiene issue unless affected hosts are internet-facing service platforms or host untrusted tenants. Prioritize inventory and patch confirmation over emergency response because active exploitation is not evidenced in the provided sources. Mitigation focus: Inventory virtualization hosts for qemu-kvm 0.14.0 or earlier.; Apply relevant vendor qemu-kvm security updates from supported distributions.; Check Red Hat, Ubuntu, Debian, and SUSE advisories for fixed packages..

Prepared: Jun 24, 2026, 12:34 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 21, 2012, 15:00 UTC (UTC+00:00)

Official CVE source material

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.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

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
DSA-2270CVE reference · vendor-advisory, x_refsource_DEBIAN
SUSE-SU-2011:0806CVE reference · vendor-advisory, x_refsource_SUSE

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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