CVE-2021-47149 (GCVE-0-2021-47149)
Vulnerability from cvelistv5 – Published: 2024-03-25 09:07 – Updated: 2026-05-11 13:48
VLAI
EPSS
VEX
Title
net: fujitsu: fix potential null-ptr-deref
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: fujitsu: fix potential null-ptr-deref
In fmvj18x_get_hwinfo(), if ioremap fails there will be NULL pointer
deref. To fix this, check the return value of ioremap and return -1
to the caller in case of failure.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-01 19:41 UTC
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b92170e209f7746ed72eaac98f2c2f4b9af734e6
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6dbf1101594f7c76990b63c35b5a40205a914b6b (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c4f1c23edbe921ab2ecd6140d700e756cd44c5f7 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7883d3895d0fbb0ba9bff0f8665f99974b45210f (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 22049c3d40f08facd1867548716a484dad6b3251 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 71723a796ab7881f491d663c6cd94b29be5fba50 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f14bf57a08779a5dee9936f63ada0149ea89c5e6 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 52202be1cd996cde6e8969a128dc27ee45a7cb5e (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.12
Unaffected: 0 , < 2.6.12 (semver) Unaffected: 4.4.271 , ≤ 4.4.* (semver) Unaffected: 4.9.271 , ≤ 4.9.* (semver) Unaffected: 4.14.235 , ≤ 4.14.* (semver) Unaffected: 4.19.193 , ≤ 4.19.* (semver) Unaffected: 5.4.124 , ≤ 5.4.* (semver) Unaffected: 5.10.42 , ≤ 5.10.* (semver) Unaffected: 5.12.9 , ≤ 5.12.* (semver) Unaffected: 5.13 , ≤ * (original_commit_for_fix) |
guessed |
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"current_release_date": "2025-11-21T10:52:42+00:00",
"cve": "CVE-2021-47149",
"id": "CVE-2021-47149",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_affected": "42",
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"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: net: fujitsu: fix potential null-ptr-deref",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47149.json",
"version": "3"
},
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"current_release_date": "2026-09-03T00:46:19Z",
"cve": "CVE-2021-47149",
"id": "CVE-2021-47149",
"initial_release_date": "2024-03-27T04:26:01Z",
"product_status:known_affected": "574",
"product_status:known_not_affected": "222",
"product_status:recommended": "84",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-47149",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-47149.json",
"version": "47"
},
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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.
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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