CVE-2024-35951
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr() Subject: [PATCH] drm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr() If some the pages or sgt allocation failed, we shouldn't release the pages ref we got earlier, otherwise we will end up with unbalanced get/put_pages() calls. We should instead leave everything in place and let the BO release function deal with extra cleanup when the object is destroyed, or let the fault handler try again next time it's called.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2024-05-20 10:15:10.577000
Last modified
2026-10-30 13:17:27.683000
View original CVE JSON
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr()\n\nSubject: [PATCH] drm/panfrost: Fix the error path in\n panfrost_mmu_map_fault_addr()\n\nIf some the pages or sgt allocation failed, we shouldn't release the\npages ref we got earlier, otherwise we will end up with unbalanced\nget/put_pages() calls. We should instead leave everything in place\nand let the BO release function deal with extra cleanup when the object\nis destroyed, or let the fault handler try again next time it's called."
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"value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/panfrost: corrige la ruta de error en panfrost_mmu_map_fault_addr() Asunto: [PATCH] drm/panfrost: corrige la ruta de error en panfrost_mmu_map_fault_addr() Si algunas páginas o la asignación de sgt fallaron, No deberíamos publicar la referencia de páginas que obtuvimos anteriormente, de lo contrario terminaremos con llamadas get/put_pages() desequilibradas. En su lugar, deberíamos dejar todo en su lugar y dejar que la función de liberación de BO se encargue de una limpieza adicional cuando se destruya el objeto, o dejar que el controlador de fallos lo intente nuevamente la próxima vez que se llame."
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