CVE-2024-26861
Estado: ModificadaMedia (4.7)—
Detalles técnicos trazas, registros y código del informe original
En el kernel de Linux, se resolvió la siguiente vulnerabilidad: wireguard: recibir: anotar carrera de datos alrededor de recibir_counter.counter Syzkaller con KCSAN identificó un problema de carrera de datos al acceder al par de claves->receiving_counter.counter. Utilice las anotaciones READ_ONCE() y WRITE_ONCE() para marcar la carrera de datos como intencional. ERROR: KCSAN: carrera de datos en wg_packet_decrypt_worker/wg_packet_rx_poll escribir en 0xffff888107765888 de 8 bytes por interrupción en la CPU 0: counter_validate drivers/net/wireguard/receive.c:321 [en línea] wg_packet_rx_poll+0x3ac/0xf00 .c:461 __napi_poll+0x60/0x3b0 net/core/dev.c:6536 napi_poll net/core/dev.c:6605 [en línea] net_rx_action+0x32b/0x750 net/core/dev.c:6738 __do_softirq+0xc4/0x279 kernel/softirq.c:553 do_softirq+0x5e/0x90 kernel/softirq.c:454 __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [en línea] _raw_spin_unlock_bh+0x36/0x 40 granos /locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [en línea] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [en línea] wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499 Process_one_work kernel/workqueue.c:2633 [en línea] ... leído en 0xffff888107765888 de 8 bytes por tarea 3196 en la CPU 1: decrypt_packet drivers/net/wireguard/receive.c:252 [en línea] wg_packet_decrypt_worker+0x220/0x700 drivers/net /wireguard/receive.c:501 Process_one_work kernel/workqueue.c:2633 [en línea] Process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706 Workers_thread+0x525/0x730 kernel/workqueue.c:2787 ...
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 4.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.18%
- Percentil entre todas las CVEs puntuadas: 7
- Fecha de la puntuación: 8/10/2026
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 (2)
CWE
- CWE-362
Referencias
- https://git.kernel.org/stable/c/3f94da807fe1668b9830f0eefbbf7e887b0a7bc6
- https://git.kernel.org/stable/c/45a83b220c83e3c326513269afbf69ae6fc65cce
- https://git.kernel.org/stable/c/78739d72f16b2d7d549f713f1dfebd678d32484b
- https://git.kernel.org/stable/c/bba045dc4d996d03dce6fe45726e78a1a1f6d4c3
- https://git.kernel.org/stable/c/d691be84ab898cf136a35176eaf2f8fc116563f0
- https://git.kernel.org/stable/c/f87884e0dffd61b47e58bc6e1e2f6843c212b0cc
- https://git.kernel.org/stable/c/fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed
- https://git.kernel.org/stable/c/3f94da807fe1668b9830f0eefbbf7e887b0a7bc6
- https://git.kernel.org/stable/c/45a83b220c83e3c326513269afbf69ae6fc65cce
- https://git.kernel.org/stable/c/78739d72f16b2d7d549f713f1dfebd678d32484b
- https://git.kernel.org/stable/c/bba045dc4d996d03dce6fe45726e78a1a1f6d4c3
- https://git.kernel.org/stable/c/d691be84ab898cf136a35176eaf2f8fc116563f0
- https://git.kernel.org/stable/c/f87884e0dffd61b47e58bc6e1e2f6843c212b0cc
- https://git.kernel.org/stable/c/fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
JSON original (NVD)
Mostrar
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"weaknesses": [
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"type": "Primary",
"source": "nvd@nist.gov",
"description": [
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"lang": "en",
"value": "CWE-362"
}
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwireguard: receive: annotate data-race around receiving_counter.counter\n\nSyzkaller with KCSAN identified a data-race issue when accessing\nkeypair->receiving_counter.counter. Use READ_ONCE() and WRITE_ONCE()\nannotations to mark the data race as intentional.\n\n BUG: KCSAN: data-race in wg_packet_decrypt_worker / wg_packet_rx_poll\n\n write to 0xffff888107765888 of 8 bytes by interrupt on cpu 0:\n counter_validate drivers/net/wireguard/receive.c:321 [inline]\n wg_packet_rx_poll+0x3ac/0xf00 drivers/net/wireguard/receive.c:461\n __napi_poll+0x60/0x3b0 net/core/dev.c:6536\n napi_poll net/core/dev.c:6605 [inline]\n net_rx_action+0x32b/0x750 net/core/dev.c:6738\n __do_softirq+0xc4/0x279 kernel/softirq.c:553\n do_softirq+0x5e/0x90 kernel/softirq.c:454\n __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381\n __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]\n _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210\n spin_unlock_bh include/linux/spinlock.h:396 [inline]\n ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]\n wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499\n process_one_work kernel/workqueue.c:2633 [inline]\n ...\n\n read to 0xffff888107765888 of 8 bytes by task 3196 on cpu 1:\n decrypt_packet drivers/net/wireguard/receive.c:252 [inline]\n wg_packet_decrypt_worker+0x220/0x700 drivers/net/wireguard/receive.c:501\n process_one_work kernel/workqueue.c:2633 [inline]\n process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706\n worker_thread+0x525/0x730 kernel/workqueue.c:2787\n ..."
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvió la siguiente vulnerabilidad: wireguard: recibir: anotar carrera de datos alrededor de recibir_counter.counter Syzkaller con KCSAN identificó un problema de carrera de datos al acceder al par de claves->receiving_counter.counter. Utilice las anotaciones READ_ONCE() y WRITE_ONCE() para marcar la carrera de datos como intencional. ERROR: KCSAN: carrera de datos en wg_packet_decrypt_worker/wg_packet_rx_poll escribir en 0xffff888107765888 de 8 bytes por interrupción en la CPU 0: counter_validate drivers/net/wireguard/receive.c:321 [en línea] wg_packet_rx_poll+0x3ac/0xf00 .c:461 __napi_poll+0x60/0x3b0 net/core/dev.c:6536 napi_poll net/core/dev.c:6605 [en línea] net_rx_action+0x32b/0x750 net/core/dev.c:6738 __do_softirq+0xc4/0x279 kernel/softirq.c:553 do_softirq+0x5e/0x90 kernel/softirq.c:454 __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [en línea] _raw_spin_unlock_bh+0x36/0x 40 granos /locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [en línea] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [en línea] wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499 Process_one_work kernel/workqueue.c:2633 [en línea] ... leído en 0xffff888107765888 de 8 bytes por tarea 3196 en la CPU 1: decrypt_packet drivers/net/wireguard/receive.c:252 [en línea] wg_packet_decrypt_worker+0x220/0x700 drivers/net /wireguard/receive.c:501 Process_one_work kernel/workqueue.c:2633 [en línea] Process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706 Workers_thread+0x525/0x730 kernel/workqueue.c:2787 ..."
}
],
"lastModified": "2026-06-17T07:18:31.940",
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