CVE-2021-47495 (GCVE-0-2021-47495)
Vulnerability from cvelistv5 – Published: 2024-05-22 08:19 – Updated: 2026-05-11 13:55
VLAI
EPSS
VEX
Title
usbnet: sanity check for maxpacket
Summary
In the Linux kernel, the following vulnerability has been resolved:
usbnet: sanity check for maxpacket
maxpacket of 0 makes no sense and oopses as we need to divide
by it. Give up.
V2: fixed typo in log and stylistic issues
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-22 15:49 UTC
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b9eba0a4a527e04d712f0e0401e5391ef124b33e
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 524f333e98138d909a0a0c574a9ff6737dce2767 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 74b3b27cf9fecce00cd8918b7882fd81191d0aa4 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 002d82227c0abe29118cf80f7e2f396b22d448ed (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 492140e45d2bf27c1014243f8616a9b612144e20 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 693ecbe8f799405f8775719deedb1f76265d375a (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7e8b6a4f18edee070213cb6a77118e8a412253c5 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 397430b50a363d8b7bdda00522123f82df6adc5e (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.12
Unaffected: 0 , < 2.6.12 (semver) Unaffected: 4.4.291 , ≤ 4.4.* (semver) Unaffected: 4.9.289 , ≤ 4.9.* (semver) Unaffected: 4.14.254 , ≤ 4.14.* (semver) Unaffected: 4.19.215 , ≤ 4.19.* (semver) Unaffected: 5.4.157 , ≤ 5.4.* (semver) Unaffected: 5.10.77 , ≤ 5.10.* (semver) Unaffected: 5.14.16 , ≤ 5.14.* (semver) Unaffected: 5.15 , ≤ * (original_commit_for_fix) |
guessed |
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"source": "Red Hat CSAF VEX",
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},
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"product_status:recommended": "691",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-47495",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-47495.json",
"version": "61"
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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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