CVE-2026-64178 (GCVE-0-2026-64178)
Vulnerability from cvelistv5 – Published: 2026-07-19 15:41 – Updated: 2026-08-05 12:39
VLAI
EPSS
VEX
Title
Bluetooth: bnep: Fix UAF read of dev->name
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: bnep: Fix UAF read of dev->name
bnep_add_connection() needs to keep holding the bnep_session_sem while
reading dev->name (just like bnep_get_connlist() does); otherwise the
bnep_session() thread can concurrently free the net_device, which can for
example be triggered by a concurrent bnep_del_connection().
(This UAF is fairly uninteresting from a security perspective;
calling bnep_add_connection() requires passing a capable(CAP_NET_ADMIN)
check. It also requires completely tearing down a netdev during a fairly
tight race window.)
Severity
8.8 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a75bbcb10cb21acc169b785e9804f57d97873a9c
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4907596f25b1720fa948371ac5f6c1f8da10a5bc (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 915a92182e2cda9cd7d2479020a44c6eda986f7c (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fe69f634b076ae3ca81c5a5b845d9bba527036f7 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b21805258d7e926adfd455fc820a447b90da3b82 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5506aec795135cdd4cbf4e845929155663b25055 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e7578529b97e5d4e439cf8f3e637c2303015338f (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 59e932ded949fa6f0340bf7c6d7818f962fa4fd2 (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.12
Unaffected: 0 , < 2.6.12 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.142 , ≤ 6.6.* (semver) Unaffected: 6.12.92 , ≤ 6.12.* (semver) Unaffected: 6.18.34 , ≤ 6.18.* (semver) Unaffected: 7.0.11 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
guessed |
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"id": "CVE-2026-64178",
"lastModified": "2026-08-12T15:31:35.053",
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"baseScore": 8.8,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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},
"published": "2026-07-19T16:18:00.147",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/4907596f25b1720fa948371ac5f6c1f8da10a5bc"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/5506aec795135cdd4cbf4e845929155663b25055"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/59e932ded949fa6f0340bf7c6d7818f962fa4fd2"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/915a92182e2cda9cd7d2479020a44c6eda986f7c"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/a75bbcb10cb21acc169b785e9804f57d97873a9c"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/b21805258d7e926adfd455fc820a447b90da3b82"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/e7578529b97e5d4e439cf8f3e637c2303015338f"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/fe69f634b076ae3ca81c5a5b845d9bba527036f7"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-07-20T16:47:54+00:00",
"cve": "CVE-2026-64178",
"id": "CVE-2026-64178",
"initial_release_date": "2026-07-19T00:00:00+00:00",
"product_status:known_affected": "274",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: Bluetooth: bnep: Fix UAF read of dev-\u003ename",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-64178.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-23T00:23:07Z",
"cve": "CVE-2026-64178",
"id": "CVE-2026-64178",
"initial_release_date": "2026-07-21T12:58:16Z",
"product_status:first_fixed": "68",
"product_status:known_affected": "621",
"product_status:known_not_affected": "58",
"product_status:recommended": "130",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2026-64178",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-64178.json",
"version": "11"
}
}
}
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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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