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CVE-2019-12817

Estado: ModificadaAlta (7)—

arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (9)

Canonical — Ubuntu LinuxDebian — Debian LinuxFedoraproject — FedoraLinux — Linux KernelOpensuse — LeapRedhat — Enterprise LinuxRedhat — Enterprise Linux EUSRedhat — Enterprise Linux Server AUSRedhat — Enterprise Linux Server TUS

CWE

Referencias

JSON original (NVD)

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          "value": "CWE-787"
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      "value": "arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected."
    },
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      "value": "En el archivo arch/powerpc/mm/mmu_context_book3s64.c en el kernel de Linux anterior a versión 5.1.15 para powerpc, presenta un error (bug) por el cual procesos no relacionados pueden leer y escribir en la memoria virtual de otros bajo ciertas condiciones por medio de un mmap superior a 512 TB. Sólo un subconjunto de sistemas powerpc están afectados."
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  "lastModified": "2026-06-17T02:15:32.873",
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