cve-2024-36009
Vulnerability from cvelistv5
Published
2024-05-20 09:48
Modified
2024-11-05 09:26
Severity ?
Summary
ax25: Fix netdev refcount issue
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0d14f104027e30720582448706c7d6b43065c851
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/467324bcfe1a31ec65d0cf4aa59421d6b7a7d52b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4fee8fa86a15d7790268eea458b1aec69c695530
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c42b073d9af4a5329b25b17390c63ab3847f30e8
Impacted products
Vendor Product Version
Linux Linux Version: 5.17
Show details on NVD website

To clipboard 

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                "id": "CVE-2024-36009",
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                "timestamp": "2024-06-13T20:06:19.404612Z",
                "version": "2.0.3"
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          "dateUpdated": "2024-08-02T03:30:12.796Z",
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    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ax25/af_ax25.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "feef318c855a",
              "versionType": "git"
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              "status": "affected",
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          "product": "Linux",
          "programFiles": [
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.17"
            },
            {
              "lessThan": "5.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.90",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.30",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.8.9",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.9",
              "versionType": "original_commit_for_fix"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nax25: Fix netdev refcount issue\n\nThe dev_tracker is added to ax25_cb in ax25_bind(). When the\nax25 device is detaching, the dev_tracker of ax25_cb should be\ndeallocated in ax25_kill_by_device() instead of the dev_tracker\nof ax25_dev. The log reported by ref_tracker is shown below:\n\n[   80.884935] ref_tracker: reference already released.\n[   80.885150] ref_tracker: allocated in:\n[   80.885349]  ax25_dev_device_up+0x105/0x540\n[   80.885730]  ax25_device_event+0xa4/0x420\n[   80.885730]  notifier_call_chain+0xc9/0x1e0\n[   80.885730]  __dev_notify_flags+0x138/0x280\n[   80.885730]  dev_change_flags+0xd7/0x180\n[   80.885730]  dev_ifsioc+0x6a9/0xa30\n[   80.885730]  dev_ioctl+0x4d8/0xd90\n[   80.885730]  sock_do_ioctl+0x1c2/0x2d0\n[   80.885730]  sock_ioctl+0x38b/0x4f0\n[   80.885730]  __se_sys_ioctl+0xad/0xf0\n[   80.885730]  do_syscall_64+0xc4/0x1b0\n[   80.885730]  entry_SYSCALL_64_after_hwframe+0x67/0x6f\n[   80.885730] ref_tracker: freed in:\n[   80.885730]  ax25_device_event+0x272/0x420\n[   80.885730]  notifier_call_chain+0xc9/0x1e0\n[   80.885730]  dev_close_many+0x272/0x370\n[   80.885730]  unregister_netdevice_many_notify+0x3b5/0x1180\n[   80.885730]  unregister_netdev+0xcf/0x120\n[   80.885730]  sixpack_close+0x11f/0x1b0\n[   80.885730]  tty_ldisc_kill+0xcb/0x190\n[   80.885730]  tty_ldisc_hangup+0x338/0x3d0\n[   80.885730]  __tty_hangup+0x504/0x740\n[   80.885730]  tty_release+0x46e/0xd80\n[   80.885730]  __fput+0x37f/0x770\n[   80.885730]  __x64_sys_close+0x7b/0xb0\n[   80.885730]  do_syscall_64+0xc4/0x1b0\n[   80.885730]  entry_SYSCALL_64_after_hwframe+0x67/0x6f\n[   80.893739] ------------[ cut here ]------------\n[   80.894030] WARNING: CPU: 2 PID: 140 at lib/ref_tracker.c:255 ref_tracker_free+0x47b/0x6b0\n[   80.894297] Modules linked in:\n[   80.894929] CPU: 2 PID: 140 Comm: ax25_conn_rel_6 Not tainted 6.9.0-rc4-g8cd26fd90c1a #11\n[   80.895190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qem4\n[   80.895514] RIP: 0010:ref_tracker_free+0x47b/0x6b0\n[   80.895808] Code: 83 c5 18 4c 89 eb 48 c1 eb 03 8a 04 13 84 c0 0f 85 df 01 00 00 41 83 7d 00 00 75 4b 4c 89 ff 9\n[   80.896171] RSP: 0018:ffff888009edf8c0 EFLAGS: 00000286\n[   80.896339] RAX: 1ffff1100141ac00 RBX: 1ffff1100149463b RCX: dffffc0000000000\n[   80.896502] RDX: 0000000000000001 RSI: 0000000000000246 RDI: ffff88800a0d6518\n[   80.896925] RBP: ffff888009edf9b0 R08: ffff88806d3288d3 R09: 1ffff1100da6511a\n[   80.897212] R10: dffffc0000000000 R11: ffffed100da6511b R12: ffff88800a4a31d4\n[   80.897859] R13: ffff88800a4a31d8 R14: dffffc0000000000 R15: ffff88800a0d6518\n[   80.898279] FS:  00007fd88b7fe700(0000) GS:ffff88806d300000(0000) knlGS:0000000000000000\n[   80.899436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[   80.900181] CR2: 00007fd88c001d48 CR3: 000000000993e000 CR4: 00000000000006f0\n...\n[   80.935774] ref_tracker: sp%d@000000000bb9df3d has 1/1 users at\n[   80.935774]      ax25_bind+0x424/0x4e0\n[   80.935774]      __sys_bind+0x1d9/0x270\n[   80.935774]      __x64_sys_bind+0x75/0x80\n[   80.935774]      do_syscall_64+0xc4/0x1b0\n[   80.935774]      entry_SYSCALL_64_after_hwframe+0x67/0x6f\n\nChange ax25_dev-\u003edev_tracker to the dev_tracker of ax25_cb\nin order to mitigate the bug."
        }
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      "providerMetadata": {
        "dateUpdated": "2024-11-05T09:26:42.481Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0d14f104027e30720582448706c7d6b43065c851"
        },
        {
          "url": "https://git.kernel.org/stable/c/4fee8fa86a15d7790268eea458b1aec69c695530"
        },
        {
          "url": "https://git.kernel.org/stable/c/c42b073d9af4a5329b25b17390c63ab3847f30e8"
        },
        {
          "url": "https://git.kernel.org/stable/c/467324bcfe1a31ec65d0cf4aa59421d6b7a7d52b"
        }
      ],
      "title": "ax25: Fix netdev refcount issue",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-36009",
    "datePublished": "2024-05-20T09:48:08.238Z",
    "dateReserved": "2024-05-17T13:50:33.152Z",
    "dateUpdated": "2024-11-05T09:26:42.481Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-36009\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-20T10:15:14.773\",\"lastModified\":\"2024-11-05T10:17:03.653\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nax25: Fix netdev refcount issue\\n\\nThe dev_tracker is added to ax25_cb in ax25_bind(). When the\\nax25 device is detaching, the dev_tracker of ax25_cb should be\\ndeallocated in ax25_kill_by_device() instead of the dev_tracker\\nof ax25_dev. The log reported by ref_tracker is shown below:\\n\\n[   80.884935] ref_tracker: reference already released.\\n[   80.885150] ref_tracker: allocated in:\\n[   80.885349]  ax25_dev_device_up+0x105/0x540\\n[   80.885730]  ax25_device_event+0xa4/0x420\\n[   80.885730]  notifier_call_chain+0xc9/0x1e0\\n[   80.885730]  __dev_notify_flags+0x138/0x280\\n[   80.885730]  dev_change_flags+0xd7/0x180\\n[   80.885730]  dev_ifsioc+0x6a9/0xa30\\n[   80.885730]  dev_ioctl+0x4d8/0xd90\\n[   80.885730]  sock_do_ioctl+0x1c2/0x2d0\\n[   80.885730]  sock_ioctl+0x38b/0x4f0\\n[   80.885730]  __se_sys_ioctl+0xad/0xf0\\n[   80.885730]  do_syscall_64+0xc4/0x1b0\\n[   80.885730]  entry_SYSCALL_64_after_hwframe+0x67/0x6f\\n[   80.885730] ref_tracker: freed in:\\n[   80.885730]  ax25_device_event+0x272/0x420\\n[   80.885730]  notifier_call_chain+0xc9/0x1e0\\n[   80.885730]  dev_close_many+0x272/0x370\\n[   80.885730]  unregister_netdevice_many_notify+0x3b5/0x1180\\n[   80.885730]  unregister_netdev+0xcf/0x120\\n[   80.885730]  sixpack_close+0x11f/0x1b0\\n[   80.885730]  tty_ldisc_kill+0xcb/0x190\\n[   80.885730]  tty_ldisc_hangup+0x338/0x3d0\\n[   80.885730]  __tty_hangup+0x504/0x740\\n[   80.885730]  tty_release+0x46e/0xd80\\n[   80.885730]  __fput+0x37f/0x770\\n[   80.885730]  __x64_sys_close+0x7b/0xb0\\n[   80.885730]  do_syscall_64+0xc4/0x1b0\\n[   80.885730]  entry_SYSCALL_64_after_hwframe+0x67/0x6f\\n[   80.893739] ------------[ cut here ]------------\\n[   80.894030] WARNING: CPU: 2 PID: 140 at lib/ref_tracker.c:255 ref_tracker_free+0x47b/0x6b0\\n[   80.894297] Modules linked in:\\n[   80.894929] CPU: 2 PID: 140 Comm: ax25_conn_rel_6 Not tainted 6.9.0-rc4-g8cd26fd90c1a #11\\n[   80.895190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qem4\\n[   80.895514] RIP: 0010:ref_tracker_free+0x47b/0x6b0\\n[   80.895808] Code: 83 c5 18 4c 89 eb 48 c1 eb 03 8a 04 13 84 c0 0f 85 df 01 00 00 41 83 7d 00 00 75 4b 4c 89 ff 9\\n[   80.896171] RSP: 0018:ffff888009edf8c0 EFLAGS: 00000286\\n[   80.896339] RAX: 1ffff1100141ac00 RBX: 1ffff1100149463b RCX: dffffc0000000000\\n[   80.896502] RDX: 0000000000000001 RSI: 0000000000000246 RDI: ffff88800a0d6518\\n[   80.896925] RBP: ffff888009edf9b0 R08: ffff88806d3288d3 R09: 1ffff1100da6511a\\n[   80.897212] R10: dffffc0000000000 R11: ffffed100da6511b R12: ffff88800a4a31d4\\n[   80.897859] R13: ffff88800a4a31d8 R14: dffffc0000000000 R15: ffff88800a0d6518\\n[   80.898279] FS:  00007fd88b7fe700(0000) GS:ffff88806d300000(0000) knlGS:0000000000000000\\n[   80.899436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[   80.900181] CR2: 00007fd88c001d48 CR3: 000000000993e000 CR4: 00000000000006f0\\n...\\n[   80.935774] ref_tracker: sp%d@000000000bb9df3d has 1/1 users at\\n[   80.935774]      ax25_bind+0x424/0x4e0\\n[   80.935774]      __sys_bind+0x1d9/0x270\\n[   80.935774]      __x64_sys_bind+0x75/0x80\\n[   80.935774]      do_syscall_64+0xc4/0x1b0\\n[   80.935774]      entry_SYSCALL_64_after_hwframe+0x67/0x6f\\n\\nChange ax25_dev-\u003edev_tracker to the dev_tracker of ax25_cb\\nin order to mitigate the bug.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ax25: soluciona el problema de recuento de netdev. El dev_tracker se agrega a ax25_cb en ax25_bind(). Cuando el dispositivo ax25 se est\u00e1 desconectando, el dev_tracker de ax25_cb debe desasignarse en ax25_kill_by_device() en lugar del dev_tracker de ax25_dev. El registro informado por ref_tracker se muestra a continuaci\u00f3n: [80.884935] ref_tracker: referencia ya publicada. [80.885150] ref_tracker: asignado en: [80.885349] ax25_dev_device_up+0x105/0x540 [80.885730] ax25_device_event+0xa4/0x420 [80.885730] notifier_call_chain+0xc9/0x1e0 [80. 885730] __dev_notify_flags+0x138/0x280 [ 80.885730] dev_change_flags+0xd7/0x180 [ 80.885730 ] dev_ifsioc+0x6a9/0xa30 [ 80.885730] dev_ioctl+0x4d8/0xd90 [ 80.885730] sock_do_ioctl+0x1c2/0x2d0 [ 80.885730] sock_ioctl+0x38b/0x4f0 [ 80.885730] __se_sys_ioctl+0xad/0xf0 [ 80.885730] do_syscall_64+0xc4/0x1b0 [ 80.885730] Entry_SYSCALL_64_after_hwframe +0x67/0x6f [ 80.885730] ref_tracker: liberado en: [ 80.885730] ax25_device_event+0x272/0x420 [ 80.885730] notifier_call_chain+0xc9/0x1e0 [ 80.885730] 370 [80.885730] unregister_netdevice_many_notify+0x3b5/0x1180 [80.885730] unregister_netdev+0xcf /0x120 [ 80.885730] sixpack_close+0x11f/0x1b0 [ 80.885730] tty_ldisc_kill+0xcb/0x190 [ 80.885730] tty_ldisc_hangup+0x338/0x3d0 [ 80.885730] x740 [ 80.885730] tty_release+0x46e/0xd80 [ 80.885730] __fput+0x37f/0x770 [80.885730] __x64_sys_close+0x7b/0xb0 [ 80.885730] do_syscall_64+0xc4/0x1b0 [ 80.885730] Entry_SYSCALL_64_after_hwframe+0x67/0x6f [ 80.893739] ------------[ cortar aqu\u00ed ]--- ---- ----- [80.894030] ADVERTENCIA: CPU: 2 PID: 140 en lib/ref_tracker.c: 255 ref_tracker_free+0x47b/0x6b0 [80.894297] M\u00f3dulos vinculados en: [80.894929] CPU: 2 pid: 140 Comm: ax25_conn_rel 6 no Tainted 6.9.0-rc4-g8cd26fd90c1a #11 [80.895190] Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qem4 [80.895514] RIP:ref_tracker_free +0x47b /0x6b0 [ 80.895808] C\u00f3digo: 83 c5 18 4c 89 eb 48 c1 eb 03 8a 04 13 84 c0 0f 85 df 01 00 00 41 83 7d 00 00 75 4b 4c 89 ff 9 [ 80.896171] 0018:ffff888009edf8c0 EFLAGS: 00000286 [ 80.896339] RAX: 1ffff1100141ac00 RBX: 1ffff1100149463b RCX: dffffc0000000000 [ 80.896502] RDX: 00000000000000001 RSI: 0000000000000246 RDI: ff88800a0d6518 [ 80.896925] RBP: ffff888009edf9b0 R08: ffff88806d3288d3 R09: 1ffff1100da6511a [ 80.897212] R10: dffffc0000000000 R11: 1b R12: ffff88800a4a31d4 [ 80.897859 ] R13: ffff88800a4a31d8 R14: dffffc0000000000 R15: ffff88800a0d6518 [ 80.898279] FS: 00007fd88b7fe700(0000) GS:ffff88806d300000(0000) 000000000000000 [ 80.899436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.900181] CR2: 00007fd88c001d48 CR3 : 000000000993e000 CR4: 00000000000006f0 ... [ 80.935774] ref_tracker: sp%d@000000000bb9df3d tiene 1/1 usuarios en [ 80.935774] ax25_bind+0x424/0x4e0 [ 80.93577 4] __sys_bind+0x1d9/0x270 [ 80.935774] __x64_sys_bind+0x75/0x80 [ 80.935774 ] do_syscall_64+0xc4/0x1b0 [ 80.935774] Entry_SYSCALL_64_after_hwframe+0x67/0x6f Cambie ax25_dev-\u0026gt;dev_tracker al dev_tracker de ax25_cb para mitigar el error.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0d14f104027e30720582448706c7d6b43065c851\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/467324bcfe1a31ec65d0cf4aa59421d6b7a7d52b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4fee8fa86a15d7790268eea458b1aec69c695530\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c42b073d9af4a5329b25b17390c63ab3847f30e8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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