CVE-2024-36903 (GCVE-0-2024-36903)
Vulnerability from cvelistv5 – Published: 2024-05-30 15:29 – Updated: 2026-09-08 08:39
VLAI
EPSS
VEX
Title
ipv6: Fix potential uninit-value access in __ip6_make_skb()
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: Fix potential uninit-value access in __ip6_make_skb()
As it was done in commit fc1092f51567 ("ipv4: Fix uninit-value access in
__ip_make_skb()") for IPv4, check FLOWI_FLAG_KNOWN_NH on fl6->flowi6_flags
instead of testing HDRINCL on the socket to avoid a race condition which
causes uninit-value access.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-30 18:50 UTC
Assigner
References
8 references
Impacted products
5 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
605b056d63302ae84eb136e88d4df49124bd5e0d , < 59d74c843ebf46264c7903726cf6f2673a93b07a
(git)
Affected: d65ff2fe877c471aa6e79efa7bd8ff66e147c317 , < 40e5444a3ac315b60e94d82226b73cd82145d09e (git) Affected: 2c9cefc142c1dc2759e19a92d3b2b3715e985beb , < a05c1ede50e9656f0752e523c7b54f3a3489e9a8 (git) Affected: ea30388baebcce37fd594d425a65037ca35e59e8 , < 68c8ba16ab712eb709c6bab80ff151079d11d97a (git) Affected: ea30388baebcce37fd594d425a65037ca35e59e8 , < 2367bf254f3a27ecc6e229afd7a8b0a1395f7be3 (git) Affected: ea30388baebcce37fd594d425a65037ca35e59e8 , < 4e13d3a9c25b7080f8a619f961e943fe08c2672c (git) Affected: 165370522cc48127da564a08584a7391e6341908 (git) Affected: f394f690a30a5ec0413c62777a058eaf3d6e10d5 (git) Affected: 0cf600ca1bdf1d52df977516ee6cee0cadb1f6b1 (git) Affected: 02ed5700f40445af02d1c97db25ffc2d04971d9f (git) Affected: 5.10.178 , < 5.10.248 (semver) Affected: 5.15.107 , < 5.15.198 (semver) Affected: 6.1.24 , < 6.1.140 (semver) Affected: 4.14.313 , < 4.15 (semver) Affected: 4.19.281 , < 4.20 (semver) Affected: 5.4.241 , < 5.5 (semver) Affected: 6.2.11 , < 6.3 (semver) |
guessed | |
| Linux | Linux |
Affected:
6.3
Unaffected: 0 , < 6.3 (semver) Unaffected: 5.10.248 , ≤ 5.10.* (semver) Unaffected: 5.15.198 , ≤ 5.15.* (semver) Unaffected: 6.1.140 , ≤ 6.1.* (semver) Unaffected: 6.6.31 , ≤ 6.6.* (semver) Unaffected: 6.8.10 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix) |
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed |
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14.313",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19.281",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.4.241",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2.11",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix potential uninit-value access in __ip6_make_skb()\n\nAs it was done in commit fc1092f51567 (\"ipv4: Fix uninit-value access in\n__ip_make_skb()\") for IPv4, check FLOWI_FLAG_KNOWN_NH on fl6-\u003eflowi6_flags\ninstead of testing HDRINCL on the socket to avoid a race condition which\ncauses uninit-value access."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-23T15:47:20.326Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/59d74c843ebf46264c7903726cf6f2673a93b07a"
},
{
"url": "https://git.kernel.org/stable/c/40e5444a3ac315b60e94d82226b73cd82145d09e"
},
{
"url": "https://git.kernel.org/stable/c/a05c1ede50e9656f0752e523c7b54f3a3489e9a8"
},
{
"url": "https://git.kernel.org/stable/c/68c8ba16ab712eb709c6bab80ff151079d11d97a"
},
{
"url": "https://git.kernel.org/stable/c/2367bf254f3a27ecc6e229afd7a8b0a1395f7be3"
},
{
"url": "https://git.kernel.org/stable/c/4e13d3a9c25b7080f8a619f961e943fe08c2672c"
}
],
"title": "ipv6: Fix potential uninit-value access in __ip6_make_skb()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-36903",
"datePublished": "2024-05-30T15:29:04.866Z",
"dateReserved": "2024-05-30T15:25:07.066Z",
"dateUpdated": "2026-09-08T08:39:01.090Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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