cve-2021-47086
Vulnerability from cvelistv5
Published
2024-03-04 18:06
Modified
2024-11-04 11:59
Severity ?
EPSS score ?
Summary
phonet/pep: refuse to enable an unbound pipe
References
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If the socket was not\nbound, two separate problems would occur:\n\n1) We\u0027d send an pipe enablement request with an invalid source object.\n2) Later socket calls could BUG on the socket unexpectedly being\n connected yet not bound to a valid object." } ], "providerMetadata": { "dateUpdated": "2024-11-04T11:59:07.617Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/0bbdd62ce9d44f3a22059b3d20a0df977d9f6d59" }, { "url": "https://git.kernel.org/stable/c/b10c7d745615a092a50c2e03ce70446d2bec2aca" }, { "url": "https://git.kernel.org/stable/c/311601f114859d586d5ef8833d60d3aa23282161" }, { "url": "https://git.kernel.org/stable/c/982b6ba1ce626ef87e5c29f26f2401897554f235" }, { "url": "https://git.kernel.org/stable/c/48c76fc53582e7f13c1e0b11c916e503256c4d0b" }, { "url": "https://git.kernel.org/stable/c/52ad5da8e316fa11e3a50b3f089aa63e4089bf52" }, { "url": "https://git.kernel.org/stable/c/53ccdc73eedaf0e922c45b569b797d2796fbaafa" }, { "url": "https://git.kernel.org/stable/c/75a2f31520095600f650597c0ac41f48b5ba0068" } ], "title": "phonet/pep: refuse to enable an unbound pipe", "x_generator": { "engine": "bippy-9e1c9544281a" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2021-47086", "datePublished": "2024-03-04T18:06:12.239Z", "dateReserved": "2024-02-29T22:33:44.299Z", "dateUpdated": "2024-11-04T11:59:07.617Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-47086\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-04T18:15:07.393\",\"lastModified\":\"2024-03-05T13:41:01.900\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nphonet/pep: refuse to enable an unbound pipe\\n\\nThis ioctl() implicitly assumed that the socket was already bound to\\na valid local socket name, i.e. Phonet object. If the socket was not\\nbound, two separate problems would occur:\\n\\n1) We\u0027d send an pipe enablement request with an invalid source object.\\n2) Later socket calls could BUG on the socket unexpectedly being\\n connected yet not bound to a valid object.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: phonet/pep: se niega a habilitar una tuber\u00eda independiente. Este ioctl() supone impl\u00edcitamente que el socket ya estaba vinculado a un nombre de socket local v\u00e1lido, es decir, objeto Phonet. Si el socket no estuviera vinculado, se producir\u00edan dos problemas distintos: 1) Enviamos una solicitud de habilitaci\u00f3n de canalizaci\u00f3n con un objeto fuente no v\u00e1lido. 2) Las llamadas de socket posteriores podr\u00edan ERROR en el socket que se conecta inesperadamente pero no est\u00e1 vinculado a un objeto v\u00e1lido.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0bbdd62ce9d44f3a22059b3d20a0df977d9f6d59\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/311601f114859d586d5ef8833d60d3aa23282161\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/48c76fc53582e7f13c1e0b11c916e503256c4d0b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/52ad5da8e316fa11e3a50b3f089aa63e4089bf52\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/53ccdc73eedaf0e922c45b569b797d2796fbaafa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/75a2f31520095600f650597c0ac41f48b5ba0068\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/982b6ba1ce626ef87e5c29f26f2401897554f235\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b10c7d745615a092a50c2e03ce70446d2bec2aca\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- 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.