CVE-2026-23084 (GCVE-0-2026-23084)
Vulnerability from cvelistv5 – Published: 2026-02-04 16:08 – Updated: 2026-09-08 08:44
VLAI
EPSS
VEX
Title
be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list
Summary
In the Linux kernel, the following vulnerability has been resolved:
be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list
When the parameter pmac_id_valid argument of be_cmd_get_mac_from_list() is
set to false, the driver may request the PMAC_ID from the firmware of the
network card, and this function will store that PMAC_ID at the provided
address pmac_id. This is the contract of this function.
However, there is a location within the driver where both
pmac_id_valid == false and pmac_id == NULL are being passed. This could
result in dereferencing a NULL pointer.
To resolve this issue, it is necessary to pass the address of a stub
variable to the function.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 20:41 UTC
Assigner
References
8 references
Impacted products
5 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
95046b927a54f461766f83a212c6a93bc5fd2e67 , < 4cba480c9b9a3861a515262225cb53a1f5978344
(git)
Affected: 95046b927a54f461766f83a212c6a93bc5fd2e67 , < 92c6dc181a18e6e0ddb872ed35cb48a9274829e4 (git) Affected: 95046b927a54f461766f83a212c6a93bc5fd2e67 , < 6c3e00888dbec887125a08b51a705b9b163fcdd1 (git) Affected: 95046b927a54f461766f83a212c6a93bc5fd2e67 , < e206fb415db36bad52bb90c08d46ce71ffbe8a80 (git) Affected: 95046b927a54f461766f83a212c6a93bc5fd2e67 , < 47ffb4dcffe336f4a7bd0f3284be7aadc6484698 (git) Affected: 95046b927a54f461766f83a212c6a93bc5fd2e67 , < 31410a01a86bcb98c798d01061abf1f789c4f75a (git) Affected: 95046b927a54f461766f83a212c6a93bc5fd2e67 , < 8215794403d264739cc676668087512950b2ff31 (git) |
guessed | |
| Linux | Linux |
Affected:
3.12
Unaffected: 0 , < 3.12 (semver) Unaffected: 5.10.249 , ≤ 5.10.* (semver) Unaffected: 5.15.199 , ≤ 5.15.* (semver) Unaffected: 6.1.162 , ≤ 6.1.* (semver) Unaffected: 6.6.122 , ≤ 6.6.* (semver) Unaffected: 6.12.68 , ≤ 6.12.* (semver) Unaffected: 6.18.8 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed |
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"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nbe2net: Correcci\u00f3n de desreferencia de puntero NULL en be_cmd_get_mac_from_list\n\nCuando el argumento del par\u00e1metro pmac_id_valid de be_cmd_get_mac_from_list() se establece en falso, el controlador puede solicitar el PMAC_ID del firmware de la tarjeta de red, y esta funci\u00f3n almacenar\u00e1 ese PMAC_ID en la direcci\u00f3n pmac_id proporcionada. Este es el contrato de esta funci\u00f3n.\n\nSin embargo, existe una ubicaci\u00f3n dentro del controlador donde se est\u00e1n pasando tanto pmac_id_valid == false como pmac_id == NULL. Esto podr\u00eda resultar en la desreferencia de un puntero NULL.\n\nPara resolver este problema, es necesario pasar la direcci\u00f3n de una variable auxiliar a la funci\u00f3n."
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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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