CVE-2021-47194 (GCVE-0-2021-47194)
Vulnerability from cvelistv5 – Published: 2024-04-10 18:56 – Updated: 2026-08-05 08:46
VLAI
EPSS
VEX
Title
cfg80211: call cfg80211_stop_ap when switch from P2P_GO type
Summary
In the Linux kernel, the following vulnerability has been resolved:
cfg80211: call cfg80211_stop_ap when switch from P2P_GO type
If the userspace tools switch from NL80211_IFTYPE_P2P_GO to
NL80211_IFTYPE_ADHOC via send_msg(NL80211_CMD_SET_INTERFACE), it
does not call the cleanup cfg80211_stop_ap(), this leads to the
initialization of in-use data. For example, this path re-init the
sdata->assigned_chanctx_list while it is still an element of
assigned_vifs list, and makes that linked list corrupt.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-21 16:05 UTC
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
ac800140c20e7ae51117e71289065bedd4930fc2 , < 8f06bb8c216bcd172394f61e557727e691b4cb24
(git)
Affected: ac800140c20e7ae51117e71289065bedd4930fc2 , < 0738cdb636c21ab552eaecf905efa4a6070e3ebc (git) Affected: ac800140c20e7ae51117e71289065bedd4930fc2 , < 4e458abbb4a523f1413bfe15c079cf4e24c15b21 (git) Affected: ac800140c20e7ae51117e71289065bedd4930fc2 , < b8a045e2a9b234cfbc06cf36923886164358ddec (git) Affected: ac800140c20e7ae51117e71289065bedd4930fc2 , < 52affc201fc22a1ab9a59ef0ed641a9adfcb8d13 (git) Affected: ac800140c20e7ae51117e71289065bedd4930fc2 , < 7b97b5776daa0b39dbdadfea176f9cc0646d4a66 (git) Affected: ac800140c20e7ae51117e71289065bedd4930fc2 , < 5a9b671c8d74a3e1b999e7a0c7f366079bcc93dd (git) Affected: ac800140c20e7ae51117e71289065bedd4930fc2 , < 563fbefed46ae4c1f70cffb8eb54c02df480b2c2 (git) |
guessed | |
| Linux | Linux |
Affected:
3.6
Unaffected: 0 , < 3.6 (semver) Unaffected: 4.4.293 , ≤ 4.4.* (semver) Unaffected: 4.9.291 , ≤ 4.9.* (semver) Unaffected: 4.14.256 , ≤ 4.14.* (semver) Unaffected: 4.19.218 , ≤ 4.19.* (semver) Unaffected: 5.4.162 , ≤ 5.4.* (semver) Unaffected: 5.10.82 , ≤ 5.10.* (semver) Unaffected: 5.15.5 , ≤ 5.15.* (semver) Unaffected: 5.16 , ≤ * (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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