{ "id": "CVE-2023-52768", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-05-21T16:15:15.983", "lastModified": "2024-05-21T16:53:56.550", "vulnStatus": "Awaiting Analysis", "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wilc1000: use vmm_table as array in wilc struct\n\nEnabling KASAN and running some iperf tests raises some memory issues with\nvmm_table:\n\nBUG: KASAN: slab-out-of-bounds in wilc_wlan_handle_txq+0x6ac/0xdb4\nWrite of size 4 at addr c3a61540 by task wlan0-tx/95\n\nKASAN detects that we are writing data beyond range allocated to vmm_table.\nThere is indeed a mismatch between the size passed to allocator in\nwilc_wlan_init, and the range of possible indexes used later: allocation\nsize is missing a multiplication by sizeof(u32)" }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: wifi: wilc1000: use vmm_table como matriz en wilc struct. Al habilitar KASAN y ejecutar algunas pruebas de iperf se generan algunos problemas de memoria con vmm_table: BUG: KASAN: slab-out-of-bounds en wilc_wlan_handle_txq +0x6ac/0xdb4 Escritura de tama\u00f1o 4 en la direcci\u00f3n c3a61540 mediante la tarea wlan0-tx/95 KASAN detecta que estamos escribiendo datos m\u00e1s all\u00e1 del rango asignado a vmm_table. De hecho, existe una discrepancia entre el tama\u00f1o pasado al asignador en wilc_wlan_init y el rango de posibles \u00edndices utilizados m\u00e1s adelante: al tama\u00f1o de la asignaci\u00f3n le falta una multiplicaci\u00f3n por sizeof(u32)" } ], "metrics": {}, "references": [ { "url": "https://git.kernel.org/stable/c/05ac1a198a63ad66bf5ae8b7321407c102d40ef3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/3ce1c2c3999b232258f7aabab311d47dda75605c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/4b0d6ddb6466d10df878a7787f175a0e4adc3e27", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/541b3757fd443a68ed8d25968eae511a8275e7c8", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/6aaf7cd8bdfe245d3c9a8b48fe70c2011965948e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" } ] }