cve-2024-35951
Vulnerability from cvelistv5
Published
2024-05-20 09:41
Modified
2024-11-05 09:25
Severity ?
Summary
drm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr()
Impacted products
Vendor Product Version
Linux Linux Version: 5.4
Show details on NVD website


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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\u0027t 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\u0027s called."
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-35951\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-20T10:15:10.577\",\"lastModified\":\"2024-11-05T10:16:56.337\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"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\u0027t 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\u0027s called.\"},{\"lang\":\"es\",\"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 p\u00e1ginas o la asignaci\u00f3n de sgt fallaron, No deber\u00edamos publicar la referencia de p\u00e1ginas que obtuvimos anteriormente, de lo contrario terminaremos con llamadas get/put_pages() desequilibradas. En su lugar, deber\u00edamos dejar todo en su lugar y dejar que la funci\u00f3n de liberaci\u00f3n de BO se encargue de una limpieza adicional cuando se destruya el objeto, o dejar que el controlador de fallos lo intente nuevamente la pr\u00f3xima vez que se llame.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1fc9af813b25e146d3607669247d0f970f5a87c3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/31806711e8a4b75e09b1c43652f2a6420e6e1002\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e18070c622c63f0cab170348e320454728c277aa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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