{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T16:34:03.448","vulnerabilities":[{"cve":{"id":"CVE-2021-47642","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-02-26T06:37:05.993","lastModified":"2025-09-23T18:46:15.617","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow\n\nCoverity complains of a possible buffer overflow. However,\ngiven the 'static' scope of nvidia_setup_i2c_bus() it looks\nlike that can't happen after examiniing the call sites.\n\nCID 19036 (#1 of 1): Copy into fixed size buffer (STRING_OVERFLOW)\n1. fixed_size_dest: You might overrun the 48-character fixed-size string\n  chan->adapter.name by copying name without checking the length.\n2. parameter_as_source: Note: This defect has an elevated risk because the\n  source argument is a parameter of the current function.\n 89        strcpy(chan->adapter.name, name);\n\nFix this warning by using strscpy() which will silence the warning and\nprevent any future buffer overflows should the names used to identify the\nchannel become much longer."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: video: fbdev: nvidiafb: Use strscpy() para evitar el desbordamiento del búfer Coverity se queja de un posible desbordamiento del búfer. Sin embargo, dado el alcance 'estático' de nvidia_setup_i2c_bus(), parece que eso no puede suceder después de examinar los sitios de llamada. CID 19036 (#1 de 1): Copiar en un búfer de tamaño fijo (STRING_OVERFLOW) 1. fixed_size_dest: Puede desbordar la cadena de tamaño fijo de 48 caracteres chan->adapter.name copiando name sin verificar la longitud. 2. parameter_as_source: Nota: Este defecto tiene un riesgo elevado porque el argumento source es un parámetro de la función actual. 89 strcpy(chan->adapter.name, name); Corrija esta advertencia usando strscpy() que silenciará la advertencia y evitará futuros desbordamientos del búfer si los nombres utilizados para identificar el canal se vuelven mucho más largos."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"4.9.311","matchCriteriaId":"C86EFD13-93D4-4385-83E8-C665BE8F570F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"4.14.276","matchCriteriaId":"6D9B028C-6313-47F9-94B7-5F8122345E49"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.19.238","matchCriteriaId":"FA28527A-11D3-41D2-9C4C-ECAC0D6A4A2D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.189","matchCriteriaId":"8CB6E8F5-C2B1-46F3-A807-0F6104AC340F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.110","matchCriteriaId":"91D3BFD0-D3F3-4018-957C-96CCBF357D79"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.33","matchCriteriaId":"27C42AE8-B387-43E2-938A-E1C8B40BE6D5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.16.19","matchCriteriaId":"20C43679-0439-405A-B97F-685BEE50613B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"5.17.2","matchCriteriaId":"210C679C-CF84-44A3-8939-E629C87E54BF"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/055cdd2e7b992921424d4daaa285ced787fb205f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/08dff482012758935c185532b1ad7d584785a86e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/37a1a2e6eeeb101285cd34e12e48a881524701aa","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/41baa86b6c802cdc6ab8ff2d46c083c9be93de81","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/47e5533adf118afaf06d25a3e2aaaab89371b1c5","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/580e5d3815474b8349250c25c16416585a72c7fe","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/6a5226e544ac043bb2d8dc1bfe8920d02282f7cd","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/72dd5c46a152136712a55bf026a9aa8c1b12b60d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9ff2f7294ab0f011cd4d1b7dcd9a07d8fdf72834","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}