CVE-2025-40014

{"id": "CVE-2025-40014", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2025-04-18T07:15:44.670", "references": [{"url": "https://git.kernel.org/stable/c/76e51db43fe4aaaebcc5ddda67b0807f7c9bdecc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7f2c746e09a3746bf937bc708129dc8af61d8f19", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-129"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nobjtool, spi: amd: Fix out-of-bounds stack access in amd_set_spi_freq()\n\nIf speed_hz < AMD_SPI_MIN_HZ, amd_set_spi_freq() iterates over the\nentire amd_spi_freq array without breaking out early, causing 'i' to go\nbeyond the array bounds.\n\nFix that by stopping the loop when it gets to the last entry, so the low\nspeed_hz value gets clamped up to AMD_SPI_MIN_HZ.\n\nFixes the following warning with an UBSAN kernel:\n\n drivers/spi/spi-amd.o: error: objtool: amd_set_spi_freq() falls through to next function amd_spi_set_opcode()"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: objtool, spi: amd: Se corrige el acceso a la pila fuera de los l\u00edmites en amd_set_spi_freq(). Si speed_hz &lt; AMD_SPI_MIN_HZ, amd_set_spi_freq() itera sobre toda la matriz amd_spi_freq sin interrumpir la ejecuci\u00f3n antes de tiempo, lo que provoca que 'i' supere los l\u00edmites de la matriz. Para solucionar esto, se detiene el bucle al llegar a la \u00faltima entrada, de modo que el valor bajo de speed_hz se limite a AMD_SPI_MIN_HZ. Se corrige la siguiente advertencia con un kernel UBSAN: drivers/spi/spi-amd.o: error: objtool: amd_set_spi_freq() falla a la siguiente funci\u00f3n amd_spi_set_opcode()."}], "lastModified": "2025-04-29T14:10:33.727", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AEE588B8-579B-48E7-B84C-16665FF25982", "versionEndExcluding": "6.14.2", "versionStartIncluding": "6.1"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}