CVE-2026-46102 (GCVE-0-2026-46102)
Vulnerability from cvelistv5 – Published: 2026-05-27 12:59 – Updated: 2026-08-05 12:29
VLAI
EPSS
VEX
Title
net: strparser: fix skb_head leak in strp_abort_strp()
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: strparser: fix skb_head leak in strp_abort_strp()
When the stream parser is aborted, for example after a message assembly timeout,
it can still hold a reference to a partially assembled message in
strp->skb_head.
That skb is not released in strp_abort_strp(), which leaks the partially
assembled message and can be triggered repeatedly to exhaust memory.
Fix this by freeing strp->skb_head and resetting the parser state in the
abort path. Leave strp_stop() unchanged so final cleanup still happens in
strp_done() after the work and timer have been synchronized.
Severity
7.5 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
43a0c6751a322847cb6fa0ab8cbf77a1d08bfc0a , < d6668ce0e78d23eabecef9a6bc4f0f739cb28ad3
(git)
Affected: 43a0c6751a322847cb6fa0ab8cbf77a1d08bfc0a , < a470ed71c906cc8cbad0d74c9942216698911f8b (git) Affected: 43a0c6751a322847cb6fa0ab8cbf77a1d08bfc0a , < c2e57695ec9ff9d42f23de70f3805199153d007b (git) Affected: 43a0c6751a322847cb6fa0ab8cbf77a1d08bfc0a , < e9ae00490d474757c0f9c65073de83e6bb1e5a00 (git) Affected: 43a0c6751a322847cb6fa0ab8cbf77a1d08bfc0a , < 5327dad2ffe9c1b49881dd6d51ff3c6893847568 (git) Affected: 43a0c6751a322847cb6fa0ab8cbf77a1d08bfc0a , < 19ca9475f18f991735f98a22e735c43e95e6298d (git) Affected: 43a0c6751a322847cb6fa0ab8cbf77a1d08bfc0a , < 56082f442023db9be1a5a29d4ee361de4017c0b7 (git) Affected: 43a0c6751a322847cb6fa0ab8cbf77a1d08bfc0a , < fe72340daaf1af588be88056faf98965f39e6032 (git) |
guessed | |
| Linux | Linux |
Affected:
4.9
Unaffected: 0 , < 4.9 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.86 , ≤ 6.12.* (semver) Unaffected: 6.18.27 , ≤ 6.18.* (semver) Unaffected: 7.0.4 , ≤ 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/fe72340daaf1af588be88056faf98965f39e6032"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-401"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-07-02T19:16:43+00:00",
"cve": "CVE-2026-46102",
"id": "CVE-2026-46102",
"initial_release_date": "2026-05-27T00:00:00+00:00",
"product_status:known_affected": "232",
"product_status:known_not_affected": "42",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: net: strparser: fix skb_head leak in strp_abort_strp()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46102.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-11T01:12:30Z",
"cve": "CVE-2026-46102",
"id": "CVE-2026-46102",
"initial_release_date": "2026-05-28T03:52:36Z",
"product_status:first_fixed": "2",
"product_status:known_affected": "643",
"product_status:known_not_affected": "6",
"product_status:recommended": "277",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2026-46102",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-46102.json",
"version": "17"
}
}
}
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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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