cve-2024-45009
Vulnerability from cvelistv5
Published
2024-09-11 15:13
Modified
2024-12-19 09:20
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mptcp: pm: only decrement add_addr_accepted for MPJ req
Adding the following warning ...
WARN_ON_ONCE(msk->pm.add_addr_accepted == 0)
... before decrementing the add_addr_accepted counter helped to find a
bug when running the "remove single subflow" subtest from the
mptcp_join.sh selftest.
Removing a 'subflow' endpoint will first trigger a RM_ADDR, then the
subflow closure. Before this patch, and upon the reception of the
RM_ADDR, the other peer will then try to decrement this
add_addr_accepted. That's not correct because the attached subflows have
not been created upon the reception of an ADD_ADDR.
A way to solve that is to decrement the counter only if the attached
subflow was an MP_JOIN to a remote id that was not 0, and initiated by
the host receiving the RM_ADDR.
References
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: d0876b2284cf8b34dd214b2d0aa21071c345da59 Version: d0876b2284cf8b34dd214b2d0aa21071c345da59 Version: d0876b2284cf8b34dd214b2d0aa21071c345da59 Version: d0876b2284cf8b34dd214b2d0aa21071c345da59 Version: d0876b2284cf8b34dd214b2d0aa21071c345da59 |
||||
|
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"role": "CISA Coordinator",
"timestamp": "2024-09-29T15:51:12.192901Z",
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"programFiles": [
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: pm: only decrement add_addr_accepted for MPJ req\n\nAdding the following warning ...\n\n WARN_ON_ONCE(msk-\u003epm.add_addr_accepted == 0)\n\n... before decrementing the add_addr_accepted counter helped to find a\nbug when running the \"remove single subflow\" subtest from the\nmptcp_join.sh selftest.\n\nRemoving a \u0027subflow\u0027 endpoint will first trigger a RM_ADDR, then the\nsubflow closure. Before this patch, and upon the reception of the\nRM_ADDR, the other peer will then try to decrement this\nadd_addr_accepted. That\u0027s not correct because the attached subflows have\nnot been created upon the reception of an ADD_ADDR.\n\nA way to solve that is to decrement the counter only if the attached\nsubflow was an MP_JOIN to a remote id that was not 0, and initiated by\nthe host receiving the RM_ADDR."
}
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"url": "https://git.kernel.org/stable/c/1c1f721375989579e46741f59523e39ec9b2a9bd"
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"title": "mptcp: pm: only decrement add_addr_accepted for MPJ req",
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"cveId": "CVE-2024-45009",
"datePublished": "2024-09-11T15:13:47.719Z",
"dateReserved": "2024-08-21T05:34:56.679Z",
"dateUpdated": "2024-12-19T09:20:09.331Z",
"state": "PUBLISHED"
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That\u0027s not correct because the attached subflows have\\nnot been created upon the reception of an ADD_ADDR.\\n\\nA way to solve that is to decrement the counter only if the attached\\nsubflow was an MP_JOIN to a remote id that was not 0, and initiated by\\nthe host receiving the RM_ADDR.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mptcp: pm: solo decrementar add_addr_accepted para solicitud MPJ Agregar la siguiente advertencia ... WARN_ON_ONCE(msk-\u0026gt;pm.add_addr_accepted == 0) ... antes de decrementar el contador add_addr_accepted ayud\u00f3 a encontrar un error al ejecutar la subprueba \\\"eliminar un solo subflujo\\\" de la autoprueba mptcp_join.sh. Eliminar un endpoint de \u0027subflujo\u0027 primero activar\u00e1 un RM_ADDR, luego el cierre del subflujo. Antes de este parche, y tras la recepci\u00f3n del RM_ADDR, el otro par intentar\u00e1 decrementar este add_addr_accepted. Eso no es correcto porque los subflujos adjuntos no se han creado tras la recepci\u00f3n de un ADD_ADDR. Una forma de resolver esto es disminuir el contador solo si el subflujo adjunto fue un MP_JOIN a una identificaci\u00f3n remota que no era 0, e iniciado por el host que recibi\u00f3 el RM_ADDR.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10\",\"versionEndExcluding\":\"5.15.167\",\"matchCriteriaId\":\"5B9D3798-C570-424B-A6B6-6BA1F94636BD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.107\",\"matchCriteriaId\":\"53954FF8-CB48-4302-BC4C-9DA7A88F44A2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.48\",\"matchCriteriaId\":\"9DE9201A-CE6B-4726-BABB-8265EA0F8AE4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.7\",\"matchCriteriaId\":\"D2AFDFD1-D95A-4EB7-843B-5E7659518B67\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DEB27E7-30AA-45CC-8934-B89263EF3551\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0005AEF-856E-47EB-BFE4-90C46899394D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"39889A68-6D34-47A6-82FC-CD0BF23D6754\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1c1f721375989579e46741f59523e39ec9b2a9bd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2060f1efab370b496c4903b840844ecaff324c3c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/35b31f5549ede4070566b949781e83495906b43d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/85b866e4c4e63a1d7afb58f1e24273caad03d0b7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d20bf2c96d7ffd171299b32f562f70e5bf5dc608\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.