CVE-2019-14835 (GCVE-0-2019-14835)
Vulnerability from cvelistv5 – Published: 2019-09-17 15:09 – Updated: 2024-08-05 00:26
VLAI
EPSS
VEX
Summary
A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host.
Severity
7.2 (High)
CWE
Assigner
References
40 references
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux Kernel | Linux kernel |
Affected:
from version 2.6.34 to 5.2.x
|
guessed |
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{
"lang": "en",
"value": "A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel\u0027s vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host."
},
{
"lang": "es",
"value": "Se encontr\u00f3 un fallo de desbordamiento de b\u00fafer, en las versiones desde 2.6.34 hasta 5.2.x, en la manera en que la funcionalidad vhost del kernel de Linux que traduce los b\u00faferes virtueue en IOV, registraba los descriptores del b\u00fafer durante una migraci\u00f3n. Un usuario invitado privilegiado capaz de pasar descriptores con una longitud no v\u00e1lida hacia el host cuando la migraci\u00f3n est\u00e1 en marcha, podr\u00eda usar este fallo para aumentar sus privilegios sobre el host."
}
],
"id": "CVE-2019-14835",
"lastModified": "2024-11-21T04:27:27.790",
"metrics": {
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"acInsufInfo": false,
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"current_release_date": "2026-06-28T11:32:56+00:00",
"cve": "CVE-2019-14835",
"id": "CVE-2019-14835",
"initial_release_date": "2019-09-17T00:00:00+00:00",
"product_status:fixed": "1093",
"product_status:known_not_affected": "11",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: vhost-net: guest to host kernel escape during migration",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-14835.json",
"version": "3"
}
}
}
Loading…
Loading…
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.
Loading…
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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