CVE-2024-38662

{"id": "CVE-2024-38662", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.0}]}, "published": "2024-06-21T12:15:11.180", "references": [{"url": "https://git.kernel.org/stable/c/000a65bf1dc04fb2b65e2abf116f0bc0fc2ee7b1", "tags": ["Mailing List", "Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/11e8ecc5b86037fec43d07b1c162e233e131b1d9", "tags": ["Mailing List", "Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/29467edc23818dc5a33042ffb4920b49b090e63d", "tags": ["Mailing List", "Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6693b172f008846811f48a099f33effc26068e1e", "tags": ["Mailing List", "Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/98e948fb60d41447fd8d2d0c3b8637fc6b6dc26d", "tags": ["Mailing List", "Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b81e1c5a3c70398cf76631ede63a03616ed1ba3c", "tags": ["Mailing List", "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\nbpf: Allow delete from sockmap/sockhash only if update is allowed\n\nWe have seen an influx of syzkaller reports where a BPF program attached to\na tracepoint triggers a locking rule violation by performing a map_delete\non a sockmap/sockhash.\n\nWe don't intend to support this artificial use scenario. Extend the\nexisting verifier allowed-program-type check for updating sockmap/sockhash\nto also cover deleting from a map.\n\nFrom now on only BPF programs which were previously allowed to update\nsockmap/sockhash can delete from these map types."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: bpf: permitir la eliminaci\u00f3n de sockmap/sockhash solo si se permite la actualizaci\u00f3n. Hemos visto una afluencia de informes de syzkaller donde un programa BPF adjunto a un punto de seguimiento desencadena una violaci\u00f3n de la regla de bloqueo al realizar un map_delete en un mapa de calcetines/sockhash. No pretendemos apoyar este escenario de uso artificial. Ampl\u00ede la verificaci\u00f3n de tipo de programa permitido del verificador existente para actualizar sockmap/sockhash para cubrir tambi\u00e9n la eliminaci\u00f3n de un mapa. De ahora en adelante, s\u00f3lo los programas BPF a los que anteriormente se les permit\u00eda actualizar sockmap/sockhash pueden eliminar de estos tipos de mapas."}], "lastModified": "2024-06-24T18:34:17.547", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5311C980-4CDF-4C10-8875-F04ED0F03398", "versionEndExcluding": "5.10.219", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E2AB5A01-EFFD-4A24-8CCB-4A016C8C4BB3", "versionEndExcluding": "5.15.161", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7446FC33-DC4F-4D31-94B5-FB577CFA66F4", "versionEndExcluding": "6.1.93", "versionStartIncluding": "6.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53BC60D9-65A5-4D8F-96C8-149F09214DBD", "versionEndExcluding": "6.6.33", "versionStartIncluding": "6.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A500F935-F0ED-4DC7-AD02-9D7C365D13AE", "versionEndExcluding": "6.9.4", "versionStartIncluding": "6.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C40DD2D9-90E3-4E95-9F1A-E7C680F11F2A"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}