FKIE_CVE-2023-3301

Vulnerability from fkie_nvd - Published: 2023-09-13 17:15 - Updated: 2024-11-21 08:16
Severity ?
5.6 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
5.6 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Summary
A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-3301Patch, Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2215784Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20231020-0008/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-3301Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2215784Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20231020-0008/Third Party Advisory
Impacted products
Vendor Product Version
qemu qemu *
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0
To clipboard 

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      "value": "A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service."
    },
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      "lang": "es",
      "value": "Se encontr\u00f3 una falla en QEMU. La naturaleza as\u00edncrona de la desconexi\u00f3n en caliente permite un escenario de ejecuci\u00f3n en el que el backend del dispositivo de red se borra antes de que se haya desconectado el frontend pci de virtio-net. Un invitado malintencionado podr\u00eda utilizar esta ventana de tiempo para desencadenar una aserci\u00f3n y provocar una denegaci\u00f3n de servicio."
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.