{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-11T21:07:17.730","vulnerabilities":[{"cve":{"id":"CVE-2021-47289","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-05-21T15:15:16.950","lastModified":"2024-12-23T16:46:39.860","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: fix NULL pointer dereference\n\nCommit 71f642833284 (\"ACPI: utils: Fix reference counting in\nfor_each_acpi_dev_match()\") started doing \"acpi_dev_put()\" on a pointer\nthat was possibly NULL.  That fails miserably, because that helper\ninline function is not set up to handle that case.\n\nJust make acpi_dev_put() silently accept a NULL pointer, rather than\ncalling down to put_device() with an invalid offset off that NULL\npointer."},{"lang":"es","value":" En el kernel de Linux, se resolvió la siguiente vulnerabilidad: ACPI: corrige la desreferencia del puntero NULL. La confirmación 71f642833284 (\"ACPI: utils: corrige el recuento de referencias en for_each_acpi_dev_match()\") comenzó a hacer \"acpi_dev_put()\" en un puntero que posiblemente era NULL. Eso falla estrepitosamente, porque esa función auxiliar en línea no está configurada para manejar ese caso. Simplemente haga que acpi_dev_put() acepte silenciosamente un puntero NULL, en lugar de llamar a put_device() con un desplazamiento no válido de ese puntero NULL."}],"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":"CWE-476"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.139","matchCriteriaId":"23DAD647-D3B8-49F9-BBDB-F2F199551C0C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.57","matchCriteriaId":"34B4D3ED-38F6-4382-9A01-BEBDAE0BC666"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.13.6","matchCriteriaId":"512C22FC-1524-4E6F-9E62-4F4B7B6E0576"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*","matchCriteriaId":"71268287-21A8-4488-AA4F-23C473153131"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*","matchCriteriaId":"23B9E5C6-FAB5-4A02-9E39-27C8787B0991"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/38f54217b423c0101d03a00feec6fb8ec608b12e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/cae3fa3d8165761f3000f523b11cfa1cd35206bc","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/ccf23a0888077a25a0793a746c3941db2a7562e4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/fc68f42aa737dc15e7665a4101d4168aadb8e4c4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/38f54217b423c0101d03a00feec6fb8ec608b12e","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/cae3fa3d8165761f3000f523b11cfa1cd35206bc","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/ccf23a0888077a25a0793a746c3941db2a7562e4","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/fc68f42aa737dc15e7665a4101d4168aadb8e4c4","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}