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CVE-2022-48697

Estado: ModificadaCrítica (9.8)—
Gravedad9.8Crítica · CVSS 3.1
Probabilidad de explotación0.59 %mayor que el 47 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado
Detalles técnicos trazas, registros y código del informe original
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nvmet: corrige un use-after-free. Solucione la siguiente queja de use-after-free activada por blktests nvme/004: ERROR: KASAN: acceso a la memoria del usuario en blk_mq_complete_request_remote+0xac /0x350 Lectura de tamaño 4 en la dirección 0000607bd1835943 por tarea kworker/13:1/460 Cola de trabajo: nvmet-wq nvme_loop_execute_work [nvme_loop] Seguimiento de llamadas: show_stack+0x52/0x58 dump_stack_lvl+0x49/0x5e /0x1e2 informe_kasan+0xb9 /0xf0 __asan_load4+0x6b/0x80 blk_mq_complete_request_remote+0xac/0x350 nvme_loop_queue_response+0x1df/0x275 [nvme_loop] __nvmet_req_complete+0x132/0x4f0 [nvmet_req_complete+0x15/0x 40 [nvmet] nvmet_execute_io_connect+0x18a/0x1f0 [nvmet] nvme_loop_execute_work+0x20/0x30 [ nvme_loop] proceso_one_work+0x56e/0xa70 trabajador_thread+0x2d1/0x640 kthread+0x183/0x1c0 ret_from_fork+0x1f/0x30

CVSS

Puntuación base
9.8
Versión
3.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
0.59 %
Percentil entre todas las CVEs puntuadas
47
Fecha de la puntuación
21/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

Mostrar las 12 referencias

JSON original (NVD)

Mostrar
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix a use-after-free\n\nFix the following use-after-free complaint triggered by blktests nvme/004:\n\nBUG: KASAN: user-memory-access in blk_mq_complete_request_remote+0xac/0x350\nRead of size 4 at addr 0000607bd1835943 by task kworker/13:1/460\nWorkqueue: nvmet-wq nvme_loop_execute_work [nvme_loop]\nCall Trace:\n show_stack+0x52/0x58\n dump_stack_lvl+0x49/0x5e\n print_report.cold+0x36/0x1e2\n kasan_report+0xb9/0xf0\n __asan_load4+0x6b/0x80\n blk_mq_complete_request_remote+0xac/0x350\n nvme_loop_queue_response+0x1df/0x275 [nvme_loop]\n __nvmet_req_complete+0x132/0x4f0 [nvmet]\n nvmet_req_complete+0x15/0x40 [nvmet]\n nvmet_execute_io_connect+0x18a/0x1f0 [nvmet]\n nvme_loop_execute_work+0x20/0x30 [nvme_loop]\n process_one_work+0x56e/0xa70\n worker_thread+0x2d1/0x640\n kthread+0x183/0x1c0\n ret_from_fork+0x1f/0x30"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nvmet: corrige un use-after-free. Solucione la siguiente queja de use-after-free activada por blktests nvme/004: ERROR: KASAN: acceso a la memoria del usuario en blk_mq_complete_request_remote+0xac /0x350 Lectura de tamaño 4 en la dirección 0000607bd1835943 por tarea kworker/13:1/460 Cola de trabajo: nvmet-wq nvme_loop_execute_work [nvme_loop] Seguimiento de llamadas: show_stack+0x52/0x58 dump_stack_lvl+0x49/0x5e /0x1e2 informe_kasan+0xb9 /0xf0 __asan_load4+0x6b/0x80 blk_mq_complete_request_remote+0xac/0x350 nvme_loop_queue_response+0x1df/0x275 [nvme_loop] __nvmet_req_complete+0x132/0x4f0 [nvmet_req_complete+0x15/0x 40 [nvmet] nvmet_execute_io_connect+0x18a/0x1f0 [nvmet] nvme_loop_execute_work+0x20/0x30 [ nvme_loop] proceso_one_work+0x56e/0xa70 trabajador_thread+0x2d1/0x640 kthread+0x183/0x1c0 ret_from_fork+0x1f/0x30"
    }
  ],
  "lastModified": "2026-08-04T10:17:16.450",
  "configurations": [
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          "negate": false,
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