CVE-2026-46137 (GCVE-0-2026-46137)
Vulnerability from cvelistv5 – Published: 2026-05-28 09:35 – Updated: 2026-08-05 12:29
VLAI
EPSS
VEX
Title
mptcp: pm: ADD_ADDR rtx: fix potential data-race
Summary
In the Linux kernel, the following vulnerability has been resolved:
mptcp: pm: ADD_ADDR rtx: fix potential data-race
This mptcp_pm_add_timer() helper is executed as a timer callback in
softirq context. To avoid any data races, the socket lock needs to be
held with bh_lock_sock().
If the socket is in use, retry again soon after, similar to what is done
with the keepalive timer.
Severity
9.8 (Critical)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < d9b272a85fe6b8f993e37915311e4038c814a533
(git)
Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 23079e0b7742ec114d3507c3e3aad01b7b69e4af (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < b35605e1f1e877038c8c9d499babbc891cdd234f (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 013dcdc1961543b9a3433466bc8c79a2f4ca75b5 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 6e4710d7d8782cb61af29a7e7111ddfc38b9e1a3 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 2ad56e434199ca24a812bb353667aa1c3860f513 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < cc3c0399361efaaf7ae64262eb3f70829b1189c6 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 5cd6e0ad79d2615264f63929f8b457ad97ae550d (git) |
guessed | |
| Linux | Linux |
Affected:
5.10
Unaffected: 0 , < 5.10 (semver) Unaffected: 5.10.259 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.141 , ≤ 6.6.* (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
guessed |
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},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/d9b272a85fe6b8f993e37915311e4038c814a533"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Undergoing Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-362"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-07-02T21:31:14+00:00",
"cve": "CVE-2026-46137",
"id": "CVE-2026-46137",
"initial_release_date": "2026-05-28T00:00:00+00:00",
"product_status:known_affected": "232",
"product_status:known_not_affected": "42",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: mptcp: pm: ADD_ADDR rtx: fix potential data-race",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46137.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-10-01T01:08:47Z",
"cve": "CVE-2026-46137",
"id": "CVE-2026-46137",
"initial_release_date": "2026-05-29T01:16:28Z",
"product_status:known_affected": "559",
"product_status:known_not_affected": "175",
"product_status:recommended": "254",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2026-46137",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-46137.json",
"version": "15"
}
}
}
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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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