{
  "id": "CVE-2024-38539",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-06-19T14:15:14.193",
  "lastModified": "2024-06-20T12:44:01.637",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cma: Fix kmemleak in rdma_core observed during blktests nvme/rdma use siw\n\nWhen running blktests nvme/rdma, the following kmemleak issue will appear.\n\nkmemleak: Kernel memory leak detector initialized (mempool available:36041)\nkmemleak: Automatic memory scanning thread started\nkmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\nkmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\nkmemleak: 17 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\nkmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\n\nunreferenced object 0xffff88855da53400 (size 192):\n  comm \"rdma\", pid 10630, jiffies 4296575922\n  hex dump (first 32 bytes):\n    37 00 00 00 00 00 00 00 c0 ff ff ff 1f 00 00 00  7...............\n    10 34 a5 5d 85 88 ff ff 10 34 a5 5d 85 88 ff ff  .4.].....4.]....\n  backtrace (crc 47f66721):\n    [<ffffffff911251bd>] kmalloc_trace+0x30d/0x3b0\n    [<ffffffffc2640ff7>] alloc_gid_entry+0x47/0x380 [ib_core]\n    [<ffffffffc2642206>] add_modify_gid+0x166/0x930 [ib_core]\n    [<ffffffffc2643468>] ib_cache_update.part.0+0x6d8/0x910 [ib_core]\n    [<ffffffffc2644e1a>] ib_cache_setup_one+0x24a/0x350 [ib_core]\n    [<ffffffffc263949e>] ib_register_device+0x9e/0x3a0 [ib_core]\n    [<ffffffffc2a3d389>] 0xffffffffc2a3d389\n    [<ffffffffc2688cd8>] nldev_newlink+0x2b8/0x520 [ib_core]\n    [<ffffffffc2645fe3>] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core]\n    [<ffffffffc264648c>]\nrdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core]\n    [<ffffffff9270e7b5>] netlink_unicast+0x445/0x710\n    [<ffffffff9270f1f1>] netlink_sendmsg+0x761/0xc40\n    [<ffffffff9249db29>] __sys_sendto+0x3a9/0x420\n    [<ffffffff9249dc8c>] __x64_sys_sendto+0xdc/0x1b0\n    [<ffffffff92db0ad3>] do_syscall_64+0x93/0x180\n    [<ffffffff92e00126>] entry_SYSCALL_64_after_hwframe+0x71/0x79\n\nThe root cause: rdma_put_gid_attr is not called when sgid_attr is set\nto ERR_PTR(-ENODEV)."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: RDMA/cma: corrija kmemleak en rdma_core observado durante el uso de blktests nvme/rdma siw Al ejecutar blktests nvme/rdma, aparecer\u00e1 el siguiente problema de kmemleak. kmemleak: detector de p\u00e9rdida de memoria del kernel inicializado (mempool disponible: 36041) kmemleak: hilo de escaneo autom\u00e1tico de memoria iniciado kmemleak: 2 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/kernel/debug/kmemleak) kmemleak: 8 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/ kernel/debug/kmemleak) kmemleak: 17 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/kernel/debug/kmemleak) kmemleak: 4 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/kernel/debug/kmemleak) objeto sin referencia 0xffff88855da53400 (tama\u00f1o 192): comm \"rdma\", pid 10630, sjiffies 4296575922 volcado hexadecimal (primeros 32 bytes): 37 00 00 00 00 00 00 00 c0 ff ff ff 1f 00 00 00 7................. 10 34 a5 5d 85 88 ff ff 10 34 a5 5d 85 88 ff ff .4.].....4.].... backtrace (crc 47f66721): [] kmalloc_trace+0x30d/0x3b0 [&lt; ffffffffc2640ff7&gt;] alloc_gid_entry+0x47/0x380 [ib_core] [] add_modify_gid+0x166/0x930 [ib_core] [] ib_cache_update.part.0+0x6d8/0x910 [ib_core] [] ib_cache_setup_one+0x24a/ 0x350 [ib_core] [] ib_register_device+0x9e/0x3a0 [ib_core] [] 0xffffffffc2a3d389 [] nldev_newlink+0x2b8/0x520 [ib_core] ffffffffc2645fe3&gt;] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core] [ ] rdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core] [] netlink_unicast+0x445/0x710 [] 0 [] __sys_sendto+0x3a9/0x420 [] __x64_sys_sendto+0xdc/0x1b0 [] do_syscall_64+0x93/0x180 [] Entry_SYSCALL_64_after_hwframe+0x71/0x79 La causa ra\u00edz: _gid_attr no se llama cuando sgid_attr est\u00e1 configurado en ERR_PTR(-ENODEV)."
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/3eb127dc408bf7959a4920d04d16ce10e863686a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6564fc1818404254d1c9f7d75b403b4941516d26",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/9c0731832d3b7420cbadba6a7f334363bc8dfb15",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b3a7fb93afd888793ef226e9665fbda98a95c48e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}