nvd-json-data-feeds/CVE-2024/CVE-2024-530xx/CVE-2024-53042.json

{
  "id": "CVE-2024-53042",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-11-19T18:15:24.737",
  "lastModified": "2024-11-27T21:09:40.700",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow()\n\nThere are code paths from which the function is called without holding\nthe RCU read lock, resulting in a suspicious RCU usage warning [1].\n\nFix by using l3mdev_master_upper_ifindex_by_index() which will acquire\nthe RCU read lock before calling\nl3mdev_master_upper_ifindex_by_index_rcu().\n\n[1]\nWARNING: suspicious RCU usage\n6.12.0-rc3-custom-gac8f72681cf2 #141 Not tainted\n-----------------------------\nnet/core/dev.c:876 RCU-list traversed in non-reader section!!\n\nother info that might help us debug this:\n\nrcu_scheduler_active = 2, debug_locks = 1\n1 lock held by ip/361:\n #0: ffffffff86fc7cb0 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x377/0xf60\n\nstack backtrace:\nCPU: 3 UID: 0 PID: 361 Comm: ip Not tainted 6.12.0-rc3-custom-gac8f72681cf2 #141\nHardware name: Bochs Bochs, BIOS Bochs 01/01/2011\nCall Trace:\n <TASK>\n dump_stack_lvl+0xba/0x110\n lockdep_rcu_suspicious.cold+0x4f/0xd6\n dev_get_by_index_rcu+0x1d3/0x210\n l3mdev_master_upper_ifindex_by_index_rcu+0x2b/0xf0\n ip_tunnel_bind_dev+0x72f/0xa00\n ip_tunnel_newlink+0x368/0x7a0\n ipgre_newlink+0x14c/0x170\n __rtnl_newlink+0x1173/0x19c0\n rtnl_newlink+0x6c/0xa0\n rtnetlink_rcv_msg+0x3cc/0xf60\n netlink_rcv_skb+0x171/0x450\n netlink_unicast+0x539/0x7f0\n netlink_sendmsg+0x8c1/0xd80\n ____sys_sendmsg+0x8f9/0xc20\n ___sys_sendmsg+0x197/0x1e0\n __sys_sendmsg+0x122/0x1f0\n do_syscall_64+0xbb/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv4: ip_tunnel: Se corrige la advertencia de uso sospechoso de RCU en ip_tunnel_init_flow() Hay rutas de c\u00f3digo desde las que se llama a la funci\u00f3n sin mantener el bloqueo de lectura de RCU, lo que resulta en una advertencia de uso sospechoso de RCU [1]. Se soluciona utilizando l3mdev_master_upper_ifindex_by_index() que adquirir\u00e1 el bloqueo de lectura de RCU antes de llamar a l3mdev_master_upper_ifindex_by_index_rcu(). [1] ADVERTENCIA: uso sospechoso de RCU 6.12.0-rc3-custom-gac8f72681cf2 #141 No contaminado ----------------------------- net/core/dev.c:876 \u00a1Lista de RCU recorrida en una secci\u00f3n que no es de lectura! Otra informaci\u00f3n que podr\u00eda ayudarnos a depurar esto: rcu_scheduler_active = 2, debug_locks = 1 1 bloqueo retenido por ip/361: #0: ffffffff86fc7cb0 (rtnl_mutex){+.+.}-{3:3}, en: rtnetlink_rcv_msg+0x377/0xf60 seguimiento de pila: CPU: 3 UID: 0 PID: 361 Comm: ip No contaminado 6.12.0-rc3-custom-gac8f72681cf2 #141 Nombre del hardware: Bochs Bochs, BIOS Bochs 01/01/2011 Seguimiento de llamadas:  dump_stack_lvl+0xba/0x110 lockdep_rcu_suspicious.cold+0x4f/0xd6 dev_get_by_index_rcu+0x1d3/0x210 l3mdev_master_upper_ifindex_by_index_rcu+0x2b/0xf0 enlace de t\u00fanel ip_dev+0x72f/0xa00 nuevo enlace ip_tunnel+0x368/0x7a0 nuevo enlace ipgre+0x14c/0x170 nuevo enlace __rtnl+0x1173/0x19c0 nuevo enlace rtnl+0x6c/0xa0 rtnetlink_rcv_msg+0x3cc/0xf60 netlink_rcv_skb+0x171/0x450 unidifusi\u00f3n netlink+0x539/0x7f0 env\u00edo netlink_msg+0x8c1/0xd80 ____sys_sendmsg+0x8f9/0xc20 ___sys_sendmsg+0x197/0x1e0 __sys_sendmsg+0x122/0x1f0 hacer_syscall_64+0xbb/0x1d0 entrada_SYSCALL_64_despu\u00e9s_hwframe+0x77/0x7f"
    }
  ],
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        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
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