{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-21T14:20:48.198","vulnerabilities":[{"cve":{"id":"CVE-2024-56712","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-12-29T09:15:06.250","lastModified":"2025-04-17T21:15:49.417","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nudmabuf: fix memory leak on last export_udmabuf() error path\n\nIn export_udmabuf(), if dma_buf_fd() fails because the FD table is full, a\ndma_buf owning the udmabuf has already been created; but the error handling\nin udmabuf_create() will tear down the udmabuf without doing anything about\nthe containing dma_buf.\n\nThis leaves a dma_buf in memory that contains a dangling pointer; though\nthat doesn't seem to lead to anything bad except a memory leak.\n\nFix it by moving the dma_buf_fd() call out of export_udmabuf() so that we\ncan give it different error handling.\n\nNote that the shape of this code changed a lot in commit 5e72b2b41a21\n(\"udmabuf: convert udmabuf driver to use folios\"); but the memory leak\nseems to have existed since the introduction of udmabuf."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: udmabuf: reparar pérdida de memoria en la última ruta de error export_udmabuf() En export_udmabuf(), si dma_buf_fd() falla porque la tabla FD está llena, ya se ha creado un dma_buf que posee el udmabuf; pero la gestión de errores en udmabuf_create() destruirá el udmabuf sin hacer nada con el dma_buf que lo contiene. Esto deja un dma_buf en la memoria que contiene un puntero colgante; aunque eso no parece conducir a nada malo excepto a una pérdida de memoria. Arréglelo moviendo la llamada dma_buf_fd() fuera de export_udmabuf() para que podamos darle un gestión de errores diferente. Tenga en cuenta que la forma de este código cambió mucho en el commit 5e72b2b41a21 (\"udmabuf: convertir el controlador udmabuf para usar folios\"); Pero la pérdida de memoria parece haber existido desde la introducción de udmabuf."}],"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},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","baseScore":3.3,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":1.8,"impactScore":1.4}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.12.7","matchCriteriaId":"132A930B-79DA-4CD0-9863-6D6DAD5DDACA"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*","matchCriteriaId":"62567B3C-6CEE-46D0-BC2E-B3717FBF7D13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*","matchCriteriaId":"5A073481-106D-4B15-B4C7-FB0213B8E1D4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*","matchCriteriaId":"DE491969-75AE-4A6B-9A58-8FC5AF98798F"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c9fc8428d4255c2128da9c4d5cd92e554d0150cf","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f49856f525acd5bef52ae28b7da2e001bbe7439e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}