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CVE-2015-7513

Estado: ModificadaMedia (6.5)—

arch/x86/kvm/x86.c en el kernel de Linux en versiones anteriores a 4.4 no reinicia los valores del contador PIT durante la restauración del estado, lo que permite a usuarios invitados del SO provocar una denegación de servicio (error de división por cero y caída del host del SO) a través del valor cero, relacionado con las funciones kvm_vm_ioctl_set_pit y kvm_vm_ioctl_set_pit2.

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 (4)

Canonical — Ubuntu LinuxDebian — Debian LinuxFedoraproject — FedoraLinux — Linux Kernel

CWE

Referencias

JSON original (NVD)

Mostrar
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      "type": "Primary",
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      "description": [
        {
          "lang": "en",
          "value": "CWE-369"
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      "lang": "en",
      "value": "arch/x86/kvm/x86.c in the Linux kernel before 4.4 does not reset the PIT counter values during state restoration, which allows guest OS users to cause a denial of service (divide-by-zero error and host OS crash) via a zero value, related to the kvm_vm_ioctl_set_pit and kvm_vm_ioctl_set_pit2 functions."
    },
    {
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    }
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  "lastModified": "2026-06-17T00:32:40.600",
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