{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-20T13:13:36.141","vulnerabilities":[{"cve":{"id":"CVE-2022-50043","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-06-18T11:15:32.787","lastModified":"2025-11-13T18:32:07.390","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix potential refcount leak in ndisc_router_discovery()\n\nThe issue happens on specific paths in the function. After both the\nobject `rt` and `neigh` are grabbed successfully, when `lifetime` is\nnonzero but the metric needs change, the function just deletes the\nroute and set `rt` to NULL. Then, it may try grabbing `rt` and `neigh`\nagain if above conditions hold. The function simply overwrite `neigh`\nif succeeds or returns if fails, without decreasing the reference\ncount of previous `neigh`. This may result in memory leaks.\n\nFix it by decrementing the reference count of `neigh` in place."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: corrección de una posible fuga de referencias en ndisc_router_discovery(). El problema se produce en rutas específicas de la función. Tras la captura correcta de los objetos `rt` y `neigh`, cuando `lifetime` es distinto de cero pero la métrica necesita cambiar, la función simplemente elimina la ruta y establece `rt` en NULL. A continuación, puede intentar capturar `rt` y `neigh` de nuevo si se cumplen las condiciones anteriores. La función simplemente sobrescribe `neigh` si tiene éxito o retorna si falla, sin reducir la cantidad de referencias de `neigh` anterior. Esto puede provocar fugas de memoria. Para solucionarlo, reduzca la cantidad de referencias de `neigh` en su lugar."}],"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":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.63","matchCriteriaId":"9DC3AC51-DA1F-4CE2-BA20-9F44D3835529"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.19.4","matchCriteriaId":"0E669300-DA42-4ACD-86D8-68BE5F29FB88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*","matchCriteriaId":"E8BD11A3-8643-49B6-BADE-5029A0117325"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7396ba87f1edf549284869451665c7c4e74ecd4f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7998043d31d000c3a93f46182e6569dd0eecda34","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/ffb15594433391fd7885eb88ce5a7f7bdeefbb15","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}