{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T05:23:09.061","vulnerabilities":[{"cve":{"id":"CVE-2021-47519","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-05-24T15:15:13.783","lastModified":"2024-11-21T06:36:25.683","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: m_can: m_can_read_fifo: fix memory leak in error branch\n\nIn m_can_read_fifo(), if the second call to m_can_fifo_read() fails,\nthe function jump to the out_fail label and returns without calling\nm_can_receive_skb(). This means that the skb previously allocated by\nalloc_can_skb() is not freed. In other terms, this is a memory leak.\n\nThis patch adds a goto label to destroy the skb if an error occurs.\n\nIssue was found with GCC -fanalyzer, please follow the link below for\ndetails."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: m_can: m_can_read_fifo: corrige la pérdida de memoria en la rama de error En m_can_read_fifo(), si la segunda llamada a m_can_fifo_read() falla, la función salta a la etiqueta out_fail y regresa sin llamar m_can_receive_skb(). Esto significa que el skb previamente asignado por alloc_can_skb() no se libera. En otras palabras, se trata de una pérdida de memoria. Este parche agrega una etiqueta goto para destruir el skb si ocurre un error. Se encontró un problema con GCC -fanalyzer; siga el enlace a continuación para obtener más detalles."}],"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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"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":"5.15","versionEndExcluding":"5.15.8","matchCriteriaId":"3D41A0AF-6691-4755-BF48-03EA17652D8F"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/31cb32a590d62b18f69a9a6d433f4e69c74fdd56","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/75a422165477dd12d2d20aa7c9ee7c9a281c9908","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/31cb32a590d62b18f69a9a6d433f4e69c74fdd56","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/75a422165477dd12d2d20aa7c9ee7c9a281c9908","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}