{ "id": "CVE-2023-52619", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-03-18T11:15:09.170", "lastModified": "2024-11-21T08:40:12.933", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npstore/ram: Fix crash when setting number of cpus to an odd number\n\nWhen the number of cpu cores is adjusted to 7 or other odd numbers,\nthe zone size will become an odd number.\nThe address of the zone will become:\n addr of zone0 = BASE\n addr of zone1 = BASE + zone_size\n addr of zone2 = BASE + zone_size*2\n ...\nThe address of zone1/3/5/7 will be mapped to non-alignment va.\nEventually crashes will occur when accessing these va.\n\nSo, use ALIGN_DOWN() to make sure the zone size is even\nto avoid this bug." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pstore/ram: soluciona el fallo al establecer el n\u00famero de CPU en un n\u00famero impar. Cuando el n\u00famero de n\u00facleos de CPU se ajusta a 7 u otros n\u00fameros impares, el tama\u00f1o de la zona se convertir\u00e1 en un n\u00famero impar. La direcci\u00f3n de la zona se convertir\u00e1 en: direcci\u00f3n de zona0 = BASE direcci\u00f3n de zona1 = BASE + tama\u00f1o_zona direcci\u00f3n de zona2 = BASE + tama\u00f1o_zona*2 ... La direcci\u00f3n de zona1/3/5/7 se asignar\u00e1 a va no alineada . Eventualmente se producir\u00e1n fallas al acceder a estos va. Entonces, use ALIGN_DOWN() para asegurarse de que el tama\u00f1o de la zona sea uniforme para evitar este error." } ], "metrics": {}, "references": [ { "url": "https://git.kernel.org/stable/c/0593cfd321df9001142a9d2c58d4144917dff7ee", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/2a37905d47bffec61e95d99f0c1cc5dc6377956c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/75b0f71b26b3ad833c5c0670109c0af6e021e86a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/8b69c30f4e8b69131d92096cb296dc1f217101e4", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/a63e48cd835c34c38ef671d344cc029b1ea5bf10", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/cd40e43f870cf21726b22487a95ed223790b3542", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/d49270a04623ce3c0afddbf3e984cb245aa48e9c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/e9f6ac50890104fdf8194f2865680689239d30fb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/0593cfd321df9001142a9d2c58d4144917dff7ee", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://git.kernel.org/stable/c/2a37905d47bffec61e95d99f0c1cc5dc6377956c", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://git.kernel.org/stable/c/75b0f71b26b3ad833c5c0670109c0af6e021e86a", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://git.kernel.org/stable/c/8b69c30f4e8b69131d92096cb296dc1f217101e4", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://git.kernel.org/stable/c/a63e48cd835c34c38ef671d344cc029b1ea5bf10", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://git.kernel.org/stable/c/cd40e43f870cf21726b22487a95ed223790b3542", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://git.kernel.org/stable/c/d49270a04623ce3c0afddbf3e984cb245aa48e9c", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://git.kernel.org/stable/c/e9f6ac50890104fdf8194f2865680689239d30fb", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html", "source": "af854a3a-2127-422b-91ae-364da2661108" } ] }