GSD-2023-52513
Vulnerability from gsd - Updated: 2024-02-21 06:01Details
In the Linux kernel, the following vulnerability has been resolved:
RDMA/siw: Fix connection failure handling
In case immediate MPA request processing fails, the newly
created endpoint unlinks the listening endpoint and is
ready to be dropped. This special case was not handled
correctly by the code handling the later TCP socket close,
causing a NULL dereference crash in siw_cm_work_handler()
when dereferencing a NULL listener. We now also cancel
the useless MPA timeout, if immediate MPA request
processing fails.
This patch furthermore simplifies MPA processing in general:
Scheduling a useless TCP socket read in sk_data_ready() upcall
is now surpressed, if the socket is already moved out of
TCP_ESTABLISHED state.
Aliases
{
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
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"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/siw: Fix connection failure handling\n\nIn case immediate MPA request processing fails, the newly\ncreated endpoint unlinks the listening endpoint and is\nready to be dropped. This special case was not handled\ncorrectly by the code handling the later TCP socket close,\ncausing a NULL dereference crash in siw_cm_work_handler()\nwhen dereferencing a NULL listener. We now also cancel\nthe useless MPA timeout, if immediate MPA request\nprocessing fails.\n\nThis patch furthermore simplifies MPA processing in general:\nScheduling a useless TCP socket read in sk_data_ready() upcall\nis now surpressed, if the socket is already moved out of\nTCP_ESTABLISHED state.",
"id": "GSD-2023-52513",
"modified": "2024-02-21T06:01:53.294012Z",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/siw: Fix connection failure handling\n\nIn case immediate MPA request processing fails, the newly\ncreated endpoint unlinks the listening endpoint and is\nready to be dropped. This special case was not handled\ncorrectly by the code handling the later TCP socket close,\ncausing a NULL dereference crash in siw_cm_work_handler()\nwhen dereferencing a NULL listener. We now also cancel\nthe useless MPA timeout, if immediate MPA request\nprocessing fails.\n\nThis patch furthermore simplifies MPA processing in general:\nScheduling a useless TCP socket read in sk_data_ready() upcall\nis now surpressed, if the socket is already moved out of\nTCP_ESTABLISHED state."
}
],
"id": "CVE-2023-52513",
"lastModified": "2024-03-04T13:58:23.447",
"metrics": {},
"published": "2024-03-02T22:15:47.730",
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"vulnStatus": "Awaiting Analysis"
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}
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Sightings
| Author | Source | Type | Date |
|---|
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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