CVE-2021-47120 (GCVE-0-2021-47120)
Vulnerability from cvelistv5 – Published: 2024-03-15 20:14 – Updated: 2026-05-11 13:48
VLAI
EPSS
VEX
Title
HID: magicmouse: fix NULL-deref on disconnect
Summary
In the Linux kernel, the following vulnerability has been resolved:
HID: magicmouse: fix NULL-deref on disconnect
Commit 9d7b18668956 ("HID: magicmouse: add support for Apple Magic
Trackpad 2") added a sanity check for an Apple trackpad but returned
success instead of -ENODEV when the check failed. This means that the
remove callback will dereference the never-initialised driver data
pointer when the driver is later unbound (e.g. on USB disconnect).
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-03-19 15:24 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
9d7b18668956c411a422d04c712994c5fdb23a4b , < 368c5d45a87e1bcc7f1e98e0c255c37b7b12c5d6
(git)
Affected: 9d7b18668956c411a422d04c712994c5fdb23a4b , < b5d013c4c76b276890135b5d32803c4c63924b77 (git) Affected: 9d7b18668956c411a422d04c712994c5fdb23a4b , < 9cf27473f21913a3eaf4702dd2a25415afd5f33f (git) Affected: 9d7b18668956c411a422d04c712994c5fdb23a4b , < 4b4f6cecca446abcb686c6e6c451d4f1ec1a7497 (git) |
guessed | |
| Linux | Linux |
Affected:
4.20
Unaffected: 0 , < 4.20 (semver) Unaffected: 5.4.125 , ≤ 5.4.* (semver) Unaffected: 5.10.43 , ≤ 5.10.* (semver) Unaffected: 5.12.10 , ≤ 5.12.* (semver) Unaffected: 5.13 , ≤ * (original_commit_for_fix) |
guessed |
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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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