CVE-2024-53215

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

svcrdma: fix miss destroy percpu_counter in svc_rdma_proc_init()

If register_sysctl() return NULL, then svc_rdma_proc_cleanup() will not destroy the percpu counters which init in svc_rdma_proc_init(). If CONFIG_HOTPLUG_CPU is enabled, residual nodes may be in the 'percpu_counters' list. The above issue may occur once the module is removed. If the CONFIG_HOTPLUG_CPU configuration is not enabled, memory leakage occurs. To solve above issue just destroy all percpu counters when register_sysctl() return NULL.

Detalles técnicos trazas, registros y código del informe original

There's issue as follows:
RPC: Registered rdma transport module.
RPC: Registered rdma backchannel transport module.
RPC: Unregistered rdma transport module.
RPC: Unregistered rdma backchannel transport module.
BUG: unable to handle page fault for address: fffffbfff80c609a
PGD 123fee067 P4D 123fee067 PUD 123fea067 PMD 10c624067 PTE 0
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
RIP: 0010:percpu_counter_destroy_many+0xf7/0x2a0
Call Trace:
 <TASK>
 __die+0x1f/0x70
 page_fault_oops+0x2cd/0x860
 spurious_kernel_fault+0x36/0x450
 do_kern_addr_fault+0xca/0x100
 exc_page_fault+0x128/0x150
 asm_exc_page_fault+0x26/0x30
 percpu_counter_destroy_many+0xf7/0x2a0
 mmdrop+0x209/0x350
 finish_task_switch.isra.0+0x481/0x840
 schedule_tail+0xe/0xd0
 ret_from_fork+0x23/0x80
 ret_from_fork_asm+0x1a/0x30
 </TASK>

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Puntuación base: 5.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.22%
Percentil entre todas las CVEs puntuadas: 12
Fecha de la puntuación: 6/10/2026

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

CWE-401
CWE-401

Referencias

JSON original (NVD)

Mostrar

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsvcrdma: fix miss destroy percpu_counter in svc_rdma_proc_init()\n\nThere's issue as follows:\nRPC: Registered rdma transport module.\nRPC: Registered rdma backchannel transport module.\nRPC: Unregistered rdma transport module.\nRPC: Unregistered rdma backchannel transport module.\nBUG: unable to handle page fault for address: fffffbfff80c609a\nPGD 123fee067 P4D 123fee067 PUD 123fea067 PMD 10c624067 PTE 0\nOops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI\nRIP: 0010:percpu_counter_destroy_many+0xf7/0x2a0\nCall Trace:\n <TASK>\n __die+0x1f/0x70\n page_fault_oops+0x2cd/0x860\n spurious_kernel_fault+0x36/0x450\n do_kern_addr_fault+0xca/0x100\n exc_page_fault+0x128/0x150\n asm_exc_page_fault+0x26/0x30\n percpu_counter_destroy_many+0xf7/0x2a0\n mmdrop+0x209/0x350\n finish_task_switch.isra.0+0x481/0x840\n schedule_tail+0xe/0xd0\n ret_from_fork+0x23/0x80\n ret_from_fork_asm+0x1a/0x30\n </TASK>\n\nIf register_sysctl() return NULL, then svc_rdma_proc_cleanup() will not\ndestroy the percpu counters which init in svc_rdma_proc_init().\nIf CONFIG_HOTPLUG_CPU is enabled, residual nodes may be in the\n'percpu_counters' list. The above issue may occur once the module is\nremoved. If the CONFIG_HOTPLUG_CPU configuration is not enabled, memory\nleakage occurs.\nTo solve above issue just destroy all percpu counters when\nregister_sysctl() return NULL."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: svcrdma: se corrige la falla en la destrucción de percpu_counter en svc_rdma_proc_init(). El problema es el siguiente: RPC: módulo de transporte rdma registrado. RPC: módulo de transporte de canal de retorno rdma registrado. RPC: módulo de transporte rdma no registrado. RPC: módulo de transporte de canal de retorno rdma no registrado. ERROR: no se puede gestionar el error de página para la dirección: fffffbfff80c609a PGD 123fee067 P4D 123fee067 PUD 123fea067 PMD 10c624067 PTE 0 Oops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI RIP: 0010:percpu_counter_destroy_many+0xf7/0x2a0 Seguimiento de llamadas:  __die+0x1f/0x70 page_fault_oops+0x2cd/0x860 spurious_kernel_fault+0x36/0x450 do_kern_addr_fault+0xca/0x100 exc_page_fault+0x128/0x150 asm_exc_page_fault+0x26/0x30 percpu_counter_destroy_many+0xf7/0x2a0 mmdrop+0x209/0x350 finish_task_switch.isra.0+0x481/0x840 schedule_tail+0xe/0xd0 ret_from_fork+0x23/0x80 ret_from_fork_asm+0x1a/0x30  Si register_sysctl() devuelve NULL, entonces svc_rdma_proc_cleanup() no destruirá los contadores por CPU que se inicializan en svc_rdma_proc_init(). Si CONFIG_HOTPLUG_CPU está habilitado, los nodos residuales pueden estar en la lista 'percpu_counters'. El problema anterior puede ocurrir una vez que se elimina el módulo. Si la configuración CONFIG_HOTPLUG_CPU no está habilitada, se produce una pérdida de memoria. Para resolver el problema anterior, simplemente destruya todos los contadores por CPU cuando register_sysctl() devuelva NULL."
    }
  ],
  "lastModified": "2026-06-17T08:08:36.800",
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}