{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-02T11:33:10.151","vulnerabilities":[{"cve":{"id":"CVE-2025-71202","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2026-02-14T16:15:52.790","lastModified":"2026-03-17T21:16:48.270","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/sva: invalidate stale IOTLB entries for kernel address space\n\nIntroduce a new IOMMU interface to flush IOTLB paging cache entries for\nthe CPU kernel address space.  This interface is invoked from the x86\narchitecture code that manages combined user and kernel page tables,\nspecifically before any kernel page table page is freed and reused.\n\nThis addresses the main issue with vfree() which is a common occurrence\nand can be triggered by unprivileged users.  While this resolves the\nprimary problem, it doesn't address some extremely rare case related to\nmemory unplug of memory that was present as reserved memory at boot, which\ncannot be triggered by unprivileged users.  The discussion can be found at\nthe link below.\n\nEnable SVA on x86 architecture since the IOMMU can now receive\nnotification to flush the paging cache before freeing the CPU kernel page\ntable pages."},{"lang":"es","value":"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\niommu/sva: invalidar entradas IOTLB obsoletas para el espacio de direcciones del kernel\n\nSe introduce una nueva interfaz IOMMU para vaciar las entradas de la caché de paginación IOTLB para el espacio de direcciones del kernel de la CPU. Esta interfaz se invoca desde el código de arquitectura x86 que gestiona las tablas de páginas combinadas de usuario y kernel, específicamente antes de que cualquier página de tabla de páginas del kernel sea liberada y reutilizada.\n\nEsto aborda el problema principal con vfree(), que es una ocurrencia común y puede ser activado por usuarios no privilegiados. Si bien esto resuelve el problema principal, no aborda un caso extremadamente raro relacionado con la desconexión de memoria que estaba presente como memoria reservada en el arranque, que no puede ser activado por usuarios no privilegiados. La discusión se puede encontrar en el enlace a continuación.\n\nHabilitar SVA en la arquitectura x86 ya que la IOMMU ahora puede recibir notificación para vaciar la caché de paginación antes de liberar las páginas de la tabla de páginas del kernel de la CPU."}],"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-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.18.7","matchCriteriaId":"5C29D5ED-C655-4CB5-A512-F2DAAF821D2A"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/9f0a7ab700f8620e433b05c57fbd26c92ea186d9","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e37d5a2d60a338c5917c45296bac65da1382eda5","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}