{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T08:26:05.814","vulnerabilities":[{"cve":{"id":"CVE-2021-47420","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-05-21T15:15:27.450","lastModified":"2024-12-30T19:37:04.973","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: fix a potential ttm->sg memory leak\n\nMemory is allocated for ttm->sg by kmalloc in kfd_mem_dmamap_userptr,\nbut isn't freed by kfree in kfd_mem_dmaunmap_userptr. Free it!"},{"lang":"es","value":" En el kernel de Linux, se resolvió la siguiente vulnerabilidad: drm/amdkfd: soluciona una posible pérdida de memoria de ttm->sg. La memoria se asigna para ttm->sg mediante kmalloc en kfd_mem_dmamap_userptr, pero kfree no la libera en kfd_mem_dmaunmap_userptr. ¡Libérala!"}],"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-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.14.12","matchCriteriaId":"0212F5AF-8179-4A29-9B5A-E9060BD1F240"},{"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"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7e5ce6029b627efb4a004746cfdc1eeff850e6eb","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b072ef1215aca33186e3a10109e872e528a9e516","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7e5ce6029b627efb4a004746cfdc1eeff850e6eb","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b072ef1215aca33186e3a10109e872e528a9e516","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}