{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-21T06:21:10.741","vulnerabilities":[{"cve":{"id":"CVE-2026-23032","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2026-01-31T12:16:06.513","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnull_blk: fix kmemleak by releasing references to fault configfs items\n\nWhen CONFIG_BLK_DEV_NULL_BLK_FAULT_INJECTION is enabled, the null-blk\ndriver sets up fault injection support by creating the timeout_inject,\nrequeue_inject, and init_hctx_fault_inject configfs items as children\nof the top-level nullbX configfs group.\n\nHowever, when the nullbX device is removed, the references taken to\nthese fault-config configfs items are not released. As a result,\nkmemleak reports a memory leak, for example:\n\nunreferenced object 0xc00000021ff25c40 (size 32):\n  comm \"mkdir\", pid 10665, jiffies 4322121578\n  hex dump (first 32 bytes):\n    69 6e 69 74 5f 68 63 74 78 5f 66 61 75 6c 74 5f  init_hctx_fault_\n    69 6e 6a 65 63 74 00 88 00 00 00 00 00 00 00 00  inject..........\n  backtrace (crc 1a018c86):\n    __kmalloc_node_track_caller_noprof+0x494/0xbd8\n    kvasprintf+0x74/0xf4\n    config_item_set_name+0xf0/0x104\n    config_group_init_type_name+0x48/0xfc\n    fault_config_init+0x48/0xf0\n    0xc0080000180559e4\n    configfs_mkdir+0x304/0x814\n    vfs_mkdir+0x49c/0x604\n    do_mkdirat+0x314/0x3d0\n    sys_mkdir+0xa0/0xd8\n    system_call_exception+0x1b0/0x4f0\n    system_call_vectored_common+0x15c/0x2ec\n\nFix this by explicitly releasing the references to the fault-config\nconfigfs items when dropping the reference to the top-level nullbX\nconfigfs group."},{"lang":"es","value":"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnull_blk: corrige kmemleak al liberar referencias a elementos configfs de fallo\n\nCuando CONFIG_BLK_DEV_NULL_BLK_FAULT_INJECTION está habilitado, el controlador null-blk configura el soporte de inyección de fallos al crear los elementos configfs timeout_inject, requeue_inject e init_hctx_fault_inject como hijos del grupo configfs nullbX de nivel superior.\n\nSin embargo, cuando se elimina el dispositivo nullbX, las referencias tomadas a estos elementos configfs de configuración de fallos no se liberan. Como resultado, kmemleak informa de una fuga de memoria, por ejemplo:\n\nobjeto sin referencia 0xc00000021ff25c40 (tamaño 32):\n  comm 'mkdir', pid 10665, jiffies 4322121578\n  volcado hexadecimal (primeros 32 bytes):\n    69 6e 69 74 5f 68 63 74 78 5f 66 61 75 6c 74 5f  init_hctx_fault_\n    69 6e 6a 65 63 74 00 88 00 00 00 00 00 00 00 00  inject..........\n  rastreo (crc 1a018c86):\n    __kmalloc_node_track_caller_noprof+0x494/0xbd8\n    kvasprintf+0x74/0xf4\n    config_item_set_name+0xf0/0x104\n    config_group_init_type_name+0x48/0xfc\n    fault_config_init+0x48/0xf0\n    0xc0080000180559e4\n    configfs_mkdir+0x304/0x814\n    vfs_mkdir+0x49c/0x604\n    do_mkdirat+0x314/0x3d0\n    sys_mkdir+0xa0/0xd8\n    system_call_exception+0x1b0/0x4f0\n    system_call_vectored_common+0x15c/0x2ec\n\nSolucione esto liberando explícitamente las referencias a los elementos configfs de configuración de fallos al eliminar la referencia al grupo configfs nullbX de nivel superior."}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/1a3286edf4d48ce37f8982ff3c3b65159a5ecbb2","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/40b94ec7edbbb867c4e26a1a43d2b898f04b93c5","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d59ba448ccd595d5d65e197216cf781a87db2b28","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f1718da051282698aa8fa150bebb9724f6389fda","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}