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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation\n\nEach attribute inside a nested IFLA_VF_VLAN_LIST is assumed to be a\nstruct ifla_vf_vlan_info so the size of such attribute needs to be at least\nof sizeof(struct ifla_vf_vlan_info) which is 14 bytes.\nThe current size validation in do_setvfinfo is against NLA_HDRLEN (4 bytes)\nwhich is less than sizeof(struct ifla_vf_vlan_info) so this validation\nis not enough and a too small attribute might be cast to a\nstruct ifla_vf_vlan_info, this might result in an out of bands\nread access when accessing the saved (casted) entry in ivvl."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: rtnetlink: Validaci\u00f3n correcta del atributo IFLA_VF_VLAN_LIST anidado. Se supone que cada atributo dentro de un IFLA_VF_VLAN_LIST anidado es una estructura ifla_vf_vlan_info, por lo que el tama\u00f1o de dicho atributo debe ser al menos de sizeof(struct ifla_vf_vlan_info), que es de 14 bytes. La validaci\u00f3n de tama\u00f1o actual en do_setvfinfo es contra NLA_HDRLEN (4 bytes), que es menor que sizeof(struct ifla_vf_vlan_info), por lo que esta validaci\u00f3n no es suficiente y un atributo demasiado peque\u00f1o podr\u00eda convertirse en una estructura ifla_vf_vlan_info, esto podr\u00eda resultar en un acceso de lectura fuera de banda al acceder a la entrada guardada (transmitida) en ivvl."}], "id": "CVE-2024-36017", "lastModified": "2024-06-27T14:15:13.943", "metrics": {}, "published": "2024-05-30T13:15:49.830", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1aec77b2bb2ed1db0f5efc61c4c1ca3813307489"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/206003c748b88890a910ef7142d18f77be57550b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4a4b9757789a1551d2df130df23bfb3545bfa7e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5e7ef2d88666a0212db8c38e6703864b9ce70169"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6c8f44b02500c7d14b5e6618fe4ef9a0da47b3de"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e4c7193954f4faab92f6e8d88bc5565317b44e7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8ac69ff2d0d5be9734c4402de932aa3dc8549c1a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f3c1bf3054f96ddeab0621d920445bada769b40e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

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