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{
"id": "CVE-2024-53227",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-12-27T14:15:30.937",
"lastModified": "2024-12-27T14:15:30.937",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: bfa: Fix use-after-free in bfad_im_module_exit()\n\nBUG: KASAN: slab-use-after-free in __lock_acquire+0x2aca/0x3a20\nRead of size 8 at addr ffff8881082d80c8 by task modprobe/25303\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x95/0xe0\n print_report+0xcb/0x620\n kasan_report+0xbd/0xf0\n __lock_acquire+0x2aca/0x3a20\n lock_acquire+0x19b/0x520\n _raw_spin_lock+0x2b/0x40\n attribute_container_unregister+0x30/0x160\n fc_release_transport+0x19/0x90 [scsi_transport_fc]\n bfad_im_module_exit+0x23/0x60 [bfa]\n bfad_init+0xdb/0xff0 [bfa]\n do_one_initcall+0xdc/0x550\n do_init_module+0x22d/0x6b0\n load_module+0x4e96/0x5ff0\n init_module_from_file+0xcd/0x130\n idempotent_init_module+0x330/0x620\n __x64_sys_finit_module+0xb3/0x110\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n </TASK>\n\nAllocated by task 25303:\n kasan_save_stack+0x24/0x50\n kasan_save_track+0x14/0x30\n __kasan_kmalloc+0x7f/0x90\n fc_attach_transport+0x4f/0x4740 [scsi_transport_fc]\n bfad_im_module_init+0x17/0x80 [bfa]\n bfad_init+0x23/0xff0 [bfa]\n do_one_initcall+0xdc/0x550\n do_init_module+0x22d/0x6b0\n load_module+0x4e96/0x5ff0\n init_module_from_file+0xcd/0x130\n idempotent_init_module+0x330/0x620\n __x64_sys_finit_module+0xb3/0x110\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nFreed by task 25303:\n kasan_save_stack+0x24/0x50\n kasan_save_track+0x14/0x30\n kasan_save_free_info+0x3b/0x60\n __kasan_slab_free+0x38/0x50\n kfree+0x212/0x480\n bfad_im_module_init+0x7e/0x80 [bfa]\n bfad_init+0x23/0xff0 [bfa]\n do_one_initcall+0xdc/0x550\n do_init_module+0x22d/0x6b0\n load_module+0x4e96/0x5ff0\n init_module_from_file+0xcd/0x130\n idempotent_init_module+0x330/0x620\n __x64_sys_finit_module+0xb3/0x110\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nAbove issue happens as follows:\n\nbfad_init\n error = bfad_im_module_init()\n fc_release_transport(bfad_im_scsi_transport_template);\n if (error)\n goto ext;\n\next:\n bfad_im_module_exit();\n fc_release_transport(bfad_im_scsi_transport_template);\n --> Trigger double release\n\nDon't call bfad_im_module_exit() if bfad_im_module_init() failed."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: bfa: Se corrige el use-after-free en bfad_im_module_exit() ERROR: KASAN: use-after-free de losa en __lock_acquire+0x2aca/0x3a20 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff8881082d80c8 por la tarea modprobe/25303 Seguimiento de llamadas: dump_stack_lvl+0x95/0xe0 print_report+0xcb/0x620 kasan_report+0xbd/0xf0 __lock_acquire+0x2aca/0x3a20 lock_acquire+0x19b/0x520 _raw_spin_lock+0x2b/0x40 attribute_container_unregister+0x30/0x160 Asignado por tarea 25303: pila de guardado de kasan+0x24/0x50 pista de guardado de kasan+0x14/0x30 __kasan_kmalloc+0x7f/0x90 transporte de acoplamiento de fc+0x4f/0x4740 [transporte de scsi_fc] inicio del m\u00f3dulo de bfad_im+0x17/0x80 [bfa] inicio del m\u00f3dulo de bfad_init+0x23/0xff0 [bfa] hacer una llamada de inicio+0xdc/0x550 hacer el m\u00f3dulo de inicio+0x22d/0x6b0 m\u00f3dulo de carga+0x4e96/0x5ff0 m\u00f3dulo de inicio desde el archivo+0xcd/0x130 m\u00f3dulo de inicio idempotente+0x330/0x620 __x64_sys_finit_module+0xb3/0x110 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f Liberado por la tarea 25303: kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3b/0x60 __kasan_slab_free+0x38/0x50 kfree+0x212/0x480 bfad_im_module_init+0x7e/0x80 [bfa] bfad_init+0x23/0xff0 [bfa] do_one_initcall+0xdc/0x550 do_init_module+0x22d/0x6b0 load_module+0x4e96/0x5ff0 init_module_from_file+0xcd/0x130 idempotent_init_module+0x330/0x620 __x64_sys_finit_module+0xb3/0x110 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f El problema anterior ocurre de la siguiente manera: bfad_init error = bfad_im_module_init() fc_release_transport(bfad_im_scsi_transport_template); if (error) goto ext; ext: bfad_im_module_exit(); fc_release_transport(bfad_im_scsi_transport_template); --&gt; Disparador de doble liberaci\u00f3n No llame a bfad_im_module_exit() si bfad_im_module_init() fall\u00f3."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/0ceac8012d3ddea3317f0d82934293d05feb8af1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/178b8f38932d635e90f5f0e9af1986c6f4a89271",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/1ffdde30a90bf8efe8f270407f486706962b3292",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/3932c753f805a02e9364a4c58b590f21901f8490",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/8f5a97443b547b4c83f876f1d6a11df0f1fd4efb",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/a2b5035ab0e368e8d8a371e27fbc72f133c0bd40",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c28409f851abd93b37969cac7498828ad533afd9",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/e76181a5be90abcc3ed8a300bd13878aa214d022",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ef2c2580189ea88a0dcaf56eb3a565763a900edb",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}