CVE-2021-26348 (GCVE-0-2021-26348)
Vulnerability from cvelistv5 – Published: 2022-05-11 16:26 – Updated: 2024-09-16 16:27
VLAI
EPSS
VEX
Summary
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
Severity
5.5 (Medium)
CWE
- tbd
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.amd.com/en/corporate/product-security… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AMD | EPYC™ Processors |
Affected:
various
|
Date Public
2022-05-10 00:00
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"redhat_vex": {
"current_release_date": "2026-03-27T14:29:45+00:00",
"cve": "CVE-2021-26348",
"id": "CVE-2021-26348",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-26348",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-26348.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-07-23T02:42:24Z",
"cve": "CVE-2021-26348",
"id": "CVE-2021-26348",
"initial_release_date": "2023-02-15T03:44:44Z",
"product_status:known_affected": "11",
"product_status:known_not_affected": "1",
"product_status:recommended": "1328",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-26348",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-26348.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.
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.
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