{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-29T18:51:37.302","vulnerabilities":[{"cve":{"id":"CVE-2021-47444","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-05-22T07:15:09.660","lastModified":"2025-09-25T16:01:42.920","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/edid: In connector_bad_edid() cap num_of_ext by num_blocks read\n\nIn commit e11f5bd8228f (\"drm: Add support for DP 1.4 Compliance edid\ncorruption test\") the function connector_bad_edid() started assuming\nthat the memory for the EDID passed to it was big enough to hold\n`edid[0x7e] + 1` blocks of data (1 extra for the base block). It\ncompletely ignored the fact that the function was passed `num_blocks`\nwhich indicated how much memory had been allocated for the EDID.\n\nLet's fix this by adding a bounds check.\n\nThis is important for handling the case where there's an error in the\nfirst block of the EDID. In that case we will call\nconnector_bad_edid() without having re-allocated memory based on\n`edid[0x7e]`."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/edid: En conector_bad_edid() cap num_of_ext por num_blocks leído En commit e11f5bd8228f (\"drm: Agregar soporte para prueba de corrupción edid de cumplimiento de DP 1.4\") la función conector_bad_edid() comenzó a asumir que la memoria para el EDID que se le pasó era lo suficientemente grande como para contener bloques de datos `edid[0x7e] + 1` (1 adicional para el bloque base). Ignoró por completo el hecho de que a la función se le pasó `num_blocks`, que indicaba cuánta memoria se había asignado para el EDID. Arreglemos esto agregando una verificación de los límites. Esto es importante para manejar el caso en el que hay un error en el primer bloque del EDID. En ese caso llamaremos a Connector_bad_edid() sin haber reasignado memoria en base a `edid[0x7e]`."}],"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:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.10.75","matchCriteriaId":"FE277324-366F-4B37-A969-D1032D5FA58E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.14.14","matchCriteriaId":"BF43A331-D430-4B9D-A612-E63C62AE4A86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*","matchCriteriaId":"E46C74C6-B76B-4C94-A6A4-FD2FFF62D644"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*","matchCriteriaId":"60134C3A-06E4-48C1-B04F-2903732A4E56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*","matchCriteriaId":"0460DA88-8FE1-46A2-9DDA-1F1ABA552E71"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*","matchCriteriaId":"AF55383D-4DF2-45DC-93F7-571F4F978EAB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*","matchCriteriaId":"9E9481B2-8AA6-4CBD-B5D3-C10F51FF6D01"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/09f3946bb452918dbfb1982add56f9ffaae393dc","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/97794170b696856483f74b47bfb6049780d2d3a0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a7b45024f66f9ec769e8dbb1a51ae83cd05929c7","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/09f3946bb452918dbfb1982add56f9ffaae393dc","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/97794170b696856483f74b47bfb6049780d2d3a0","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a7b45024f66f9ec769e8dbb1a51ae83cd05929c7","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}