CVE-2024-56717

{"id": "CVE-2024-56717", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-12-29T09:15:06.907", "references": [{"url": "https://git.kernel.org/stable/c/2d5df3a680ffdaf606baa10636bdb1daf757832e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2f3c62ffe88116cd2a39cd73e01103535599970f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/59c4ca8d8d7918eb6e2df91d2c254827264be309", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a8836eae3288c351acd3b2743d2fad2a4ee2bd56", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mscc: ocelot: fix incorrect IFH SRC_PORT field in ocelot_ifh_set_basic()\n\nPackets injected by the CPU should have a SRC_PORT field equal to the\nCPU port module index in the Analyzer block (ocelot->num_phys_ports).\n\nThe blamed commit copied the ocelot_ifh_set_basic() call incorrectly\nfrom ocelot_xmit_common() in net/dsa/tag_ocelot.c. Instead of calling\nwith \"x\", it calls with BIT_ULL(x), but the field is not a port mask,\nbut rather a single port index.\n\n[ side note: this is the technical debt of code duplication :( ]\n\nThe error used to be silent and doesn't appear to have other\nuser-visible manifestations, but with new changes in the packing\nlibrary, it now fails loudly as follows:\n\n------------[ cut here ]------------\nCannot store 0x40 inside bits 46-43 - will truncate\nsja1105 spi2.0: xmit timed out\nWARNING: CPU: 1 PID: 102 at lib/packing.c:98 __pack+0x90/0x198\nsja1105 spi2.0: timed out polling for tstamp\nCPU: 1 UID: 0 PID: 102 Comm: felix_xmit\nTainted: G W N 6.13.0-rc1-00372-gf706b85d972d-dirty #2605\nCall trace:\n __pack+0x90/0x198 (P)\n __pack+0x90/0x198 (L)\n packing+0x78/0x98\n ocelot_ifh_set_basic+0x260/0x368\n ocelot_port_inject_frame+0xa8/0x250\n felix_port_deferred_xmit+0x14c/0x258\n kthread_worker_fn+0x134/0x350\n kthread+0x114/0x138\n\nThe code path pertains to the ocelot switchdev driver and to the felix\nsecondary DSA tag protocol, ocelot-8021q. Here seen with ocelot-8021q.\n\nThe messenger (packing) is not really to blame, so fix the original\ncommit instead."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: mscc: ocelot: se corrige el campo IFH SRC_PORT incorrecto en ocelot_ifh_set_basic() Los paquetes inyectados por la CPU deben tener un campo SRC_PORT igual al \u00edndice del m\u00f3dulo de puerto de la CPU en el bloque Analyzer (ocelot->num_phys_ports). el commit culpable copi\u00f3 la llamada ocelot_ifh_set_basic() incorrectamente desde ocelot_xmit_common() en net/dsa/tag_ocelot.c. En lugar de llamar con \"x\", llama con BIT_ULL(x), pero el campo no es una m\u00e1scara de puerto, sino un \u00edndice de puerto \u00fanico. [ nota al margen: esta es la deuda t\u00e9cnica de la duplicaci\u00f3n de c\u00f3digo :( ] El error sol\u00eda ser silencioso y no parece tener otras manifestaciones visibles para el usuario, pero con los nuevos cambios en la librer\u00eda de empaquetado, ahora falla ruidosamente de la siguiente manera: ------------[ cortar aqu\u00ed ]------------ No se puede almacenar 0x40 dentro de los bits 46-43 - truncar\u00e1 sja1105 spi2.0: xmit timed out WARNING: CPU: 1 PID: 102 at lib/packing.c:98 __pack+0x90/0x198 sja1105 spi2.0: timed out polling for tstamp CPU: 1 UID: 0 PID: 102 Comm: felix_xmit Tainted: GWN 6.13.0-rc1-00372-gf706b85d972d-dirty #2605 Rastreo de llamadas: __pack+0x90/0x198 (P) __pack+0x90/0x198 (L) packing+0x78/0x98 ocelot_ifh_set_basic+0x260/0x368 ocelot_port_inject_frame+0xa8/0x250 felix_port_deferred_xmit+0x14c/0x258 kthread_worker_fn+0x134/0x350 kthread+0x114/0x138 La ruta del c\u00f3digo pertenece al controlador switchdev de ocelot y al protocolo de etiqueta DSA secundaria de felix, ocelot-8021q. Aqu\u00ed se ve con ocelot-8021q. El mensajero (packing) no es realmente el culpable, as\u00ed que arregle el commit original en su lugar."}], "lastModified": "2025-01-10T17:36:02.260", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "66B11D95-C9D9-4D15-B338-C26B1B4C6941", "versionEndExcluding": "6.1.122", "versionStartIncluding": "6.1.107"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BA7165E0-1A7F-4895-911D-F511CD3EEFBB", "versionEndExcluding": "6.6.68", "versionStartIncluding": "6.6.48"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "756D1E80-26A8-439B-9124-504429A0207E", "versionEndExcluding": "6.12.7", "versionStartIncluding": "6.10.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A073481-106D-4B15-B4C7-FB0213B8E1D4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE491969-75AE-4A6B-9A58-8FC5AF98798F"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}