Vulnerability-Lookup

GSD-2021-47201

Vulnerability from gsd - Updated: 2024-04-03 05:03

Details

In the Linux kernel, the following vulnerability has been resolved: iavf: free q_vectors before queues in iavf_disable_vf iavf_free_queues() clears adapter->num_active_queues, which iavf_free_q_vectors() relies on, so swap the order of these two function calls in iavf_disable_vf(). This resolves a panic encountered when the interface is disabled and then later brought up again after PF communication is restored.

Aliases

CVE-2021-47201

JSON

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      "remediation": "unknown",
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      "type": "vulnerability"
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CVE-2021-47201 (GCVE-0-2021-47201)

Vulnerability from cvelistv5 – Published: 2024-04-10 18:56 – Updated: 2026-08-05 08:46

Title

iavf: free q_vectors before queues in iavf_disable_vf

Summary

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-04-10 19:51 UTC

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/926e8c83d4c1c2dac…
https://git.kernel.org/stable/c/78638b47132244e39…
https://git.kernel.org/stable/c/9ef6589cac9a8c47f…
https://git.kernel.org/stable/c/89f22f129696ab53c…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 65c7006f234c9ede887d468f595f259a5c5cc552 , < 926e8c83d4c1c2dac0026637eb0d492df876489e (git) Affected: 65c7006f234c9ede887d468f595f259a5c5cc552 , < 78638b47132244e3934dc5dc79f6372d5ce8e98c (git) Affected: 65c7006f234c9ede887d468f595f259a5c5cc552 , < 9ef6589cac9a8c47f5544ccdf4c498093733bb3f (git) Affected: 65c7006f234c9ede887d468f595f259a5c5cc552 , < 89f22f129696ab53cfbc608e0a2184d0fea46ac1 (git)
Linux	Linux	Affected: 4.13 Unaffected: 0 , < 4.13 (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)

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

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.

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.