CVE-2015-7835 (GCVE-0-2015-7835)
Vulnerability from cvelistv5 – Published: 2015-10-30 15:00 – Updated: 2024-08-06 07:58
VLAI
EPSS
VEX
Summary
The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
12 references
| URL | Tags |
|---|---|
| http://support.citrix.com/article/CTX202404 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/77366 | vdb-entryx_refsource_BID |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
| http://xenbits.xen.org/xsa/advisory-148.html | x_refsource_CONFIRM |
| http://lists.opensuse.org/opensuse-updates/2015-1… | vendor-advisoryx_refsource_SUSE |
| https://github.com/QubesOS/qubes-secpack/blob/mas… | x_refsource_MISC |
| http://www.debian.org/security/2015/dsa-3390 | vendor-advisoryx_refsource_DEBIAN |
| http://www.securitytracker.com/id/1034032 | vdb-entryx_refsource_SECTRACK |
| http://lists.opensuse.org/opensuse-updates/2015-1… | vendor-advisoryx_refsource_SUSE |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/201604-03 | vendor-advisoryx_refsource_GENTOO |
Date Public
2015-10-29 00:00
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}
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"lastModified": "2026-05-06T22:30:45.220",
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},
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},
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"current_release_date": "2025-11-21T12:13:49+00:00",
"cve": "CVE-2015-7835",
"id": "CVE-2015-7835",
"initial_release_date": "2015-10-29T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "xen: Uncontrolled creation of large page mappings by PV guests on x86",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-7835.json",
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"cve": "CVE-2015-7835",
"id": "CVE-2015-7835",
"initial_release_date": "2023-02-15T05:13:13Z",
"product_status:known_affected": "321",
"product_status:known_not_affected": "12",
"product_status:recommended": "559",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2015-7835",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-7835.json",
"version": "32"
}
}
}
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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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