FKIE_CVE-2018-20124
Vulnerability from fkie_nvd - Published: 2018-12-20 23:29 - Updated: 2026-06-17 01:52
Severity
Summary
hw/rdma/rdma_backend.c in QEMU allows guest OS users to trigger out-of-bounds access via a PvrdmaSqWqe ring element with a large num_sge value.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://www.openwall.com/lists/oss-security/2018/12/18/2 | Mailing List, Patch, Third Party Advisory | |
| cve@mitre.org | http://www.securityfocus.com/bid/106290 | Third Party Advisory, VDB Entry | |
| cve@mitre.org | https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02822.html | Patch, Third Party Advisory | |
| cve@mitre.org | https://usn.ubuntu.com/3923-1/ | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2018/12/18/2 | Mailing List, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/106290 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02822.html | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://usn.ubuntu.com/3923-1/ | Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| qemu | qemu | * | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 18.04 | |
| canonical | ubuntu_linux | 18.10 |
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"vendor": "n/a",
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"configurations": [
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"cveTags": [],
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"value": "hw/rdma/rdma_backend.c in QEMU allows guest OS users to trigger out-of-bounds access via a PvrdmaSqWqe ring element with a large num_sge value."
},
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}
],
"id": "CVE-2018-20124",
"lastModified": "2026-06-17T01:52:18.430",
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"published": "2018-12-20T23:29:02.177",
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"vulnStatus": "Modified",
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]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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