CVE-2026-43221 (GCVE-0-2026-43221)
Vulnerability from cvelistv5 – Published: 2026-05-06 11:28 – Updated: 2026-05-11 22:20
VLAI
EPSS
VEX
Title
ipmi: ipmb: initialise event handler read bytes
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipmi: ipmb: initialise event handler read bytes
IPMB doesn't use i2c reads, but the handler needs to set a value.
Otherwise an i2c read will return an uninitialised value from the bus
driver.
Severity
5.5 (Medium)
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
63c4eb347164845b380089012fe43992511c0ad3 , < 905554ebd76aeee370bfd5136ea11e0b9d75c6f1
(git)
Affected: 63c4eb347164845b380089012fe43992511c0ad3 , < 56d5c0557e53c4d8d92a619fa83eaae178165e07 (git) Affected: 63c4eb347164845b380089012fe43992511c0ad3 , < 2dfbc8c17dd161885336e77e71c336cd62cf6748 (git) Affected: 63c4eb347164845b380089012fe43992511c0ad3 , < f726b3a57e00bb6249c67714c11ae8b4b31719a1 (git) Affected: 63c4eb347164845b380089012fe43992511c0ad3 , < 102712417bb6aa9a00d852bc59cb0a276db486c4 (git) Affected: 63c4eb347164845b380089012fe43992511c0ad3 , < 9f235ccecd03c436cb1683eac16b12f119e54aa9 (git) |
guessed | |
| Linux | Linux |
Affected:
5.16
Unaffected: 0 , < 5.16 (semver) Unaffected: 6.1.165 , ≤ 6.1.* (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.16 , ≤ 6.18.* (semver) Unaffected: 6.19.6 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
guessed |
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"id": "CVE-2026-43221",
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"cve": "CVE-2026-43221",
"id": "CVE-2026-43221",
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"title": "SUSE CVE CVE-2026-43221",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-43221.json",
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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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