{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T06:53:38.192","vulnerabilities":[{"cve":{"id":"CVE-2021-47361","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-05-21T15:15:22.283","lastModified":"2024-12-26T19:45:51.123","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmcb: fix error handling in mcb_alloc_bus()\n\nThere are two bugs:\n1) If ida_simple_get() fails then this code calls put_device(carrier)\n   but we haven't yet called get_device(carrier) and probably that\n   leads to a use after free.\n2) After device_initialize() then we need to use put_device() to\n   release the bus.  This will free the internal resources tied to the\n   device and call mcb_free_bus() which will free the rest."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mcb: corrige el manejo de errores en mcb_alloc_bus() Hay dos errores: 1) Si ida_simple_get() falla, entonces este código llama a put_device(carrier) pero aún no hemos llamado a get_device( transportista) y probablemente eso conduzca a un uso posterior gratuito. 2) Después de device_initialize() entonces necesitamos usar put_device() para liberar el bus. Esto liberará los recursos internos vinculados al dispositivo y llamará a mcb_free_bus() que liberará el resto."}],"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-416"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"4.9.285","matchCriteriaId":"71D61395-0228-4BB6-9B08-38F445F83B82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"4.14.249","matchCriteriaId":"9DFC8239-9F26-43B2-A340-8EFC6BC6BDA8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.19.209","matchCriteriaId":"21C23429-F802-4256-B3C2-9EEA76AC11FF"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.150","matchCriteriaId":"87771E47-210D-48FA-95BC-48A86225B30F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.70","matchCriteriaId":"A2A50090-4483-4F44-9147-BF0B012FBF7E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.14.9","matchCriteriaId":"1B31D6C1-A751-438D-906B-0C56B789D498"},{"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"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/115b07d9f47e3996430b8f2007edd9768e1f807f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/25a1433216489de4abc889910f744e952cb6dbae","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/66f74ba9be9daf9c47fface6af3677f602774f6b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7751f609eadf36b1f53712bae430019c53a16eb0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/8a558261fa57a6deefb0925ab1829f698b194aea","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/91e4ad05bf18322b5921d1a6c9b603f6eb1694f0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9fc198f415dee070a1de957bb5bf5921d8df3499","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/115b07d9f47e3996430b8f2007edd9768e1f807f","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/25a1433216489de4abc889910f744e952cb6dbae","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/66f74ba9be9daf9c47fface6af3677f602774f6b","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7751f609eadf36b1f53712bae430019c53a16eb0","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/8a558261fa57a6deefb0925ab1829f698b194aea","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/91e4ad05bf18322b5921d1a6c9b603f6eb1694f0","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9fc198f415dee070a1de957bb5bf5921d8df3499","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}