{ "id": "CVE-2024-49864", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-10-21T18:15:06.203", "lastModified": "2024-11-13T14:23:48.437", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix a race between socket set up and I/O thread creation\n\nIn rxrpc_open_socket(), it sets up the socket and then sets up the I/O\nthread that will handle it. This is a problem, however, as there's a gap\nbetween the two phases in which a packet may come into rxrpc_encap_rcv()\nfrom the UDP packet but we oops when trying to wake the not-yet created I/O\nthread.\n\nAs a quick fix, just make rxrpc_encap_rcv() discard the packet if there's\nno I/O thread yet.\n\nA better, but more intrusive fix would perhaps be to rearrange things such\nthat the socket creation is done by the I/O thread." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: rxrpc: Corrige una ejecuci\u00f3n entre la configuraci\u00f3n del socket y la creaci\u00f3n del hilo de E/S En rxrpc_open_socket(), configura el socket y luego configura el hilo de E/S que lo manejar\u00e1. Sin embargo, esto es un problema, ya que hay una brecha entre las dos fases en las que un paquete puede llegar a rxrpc_encap_rcv() desde el paquete UDP, pero fallo al intentar despertar el hilo de E/S a\u00fan no creado. Como soluci\u00f3n r\u00e1pida, simplemente haga que rxrpc_encap_rcv() descarte el paquete si a\u00fan no hay un hilo de E/S. Una soluci\u00f3n mejor, pero m\u00e1s intrusiva, tal vez ser\u00eda reorganizar las cosas de modo que la creaci\u00f3n del socket la realice el hilo de E/S." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 4.7, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.0, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-362" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndIncluding": "6.6.55", "matchCriteriaId": "B1BFA43F-F661-44FE-AC13-3AAA4257DF12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.10.14", "matchCriteriaId": "20A9A1A8-B921-4FB1-BC2B-00E240DE3643" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.11.3", "matchCriteriaId": "54D9C704-D679-41A7-9C40-10A6B1E7FFE9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/56e415202b8a17de6496f4023e545fcb66f118ec", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/bc212465326e8587325f520a052346f0b57360e6", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/c64f5fc95e9612fdf75587c8e21e494e614c18e2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/cdf4bbbdb956d7426f687f38757ebca2a2759a0f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }