fkie_cve-2022-48972
Vulnerability from fkie_nvd
Published
2024-10-21 20:15
Modified
2024-10-25 15:22
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: mac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add() Kernel fault injection test reports null-ptr-deref as follows: BUG: kernel NULL pointer dereference, address: 0000000000000008 RIP: 0010:cfg802154_netdev_notifier_call+0x120/0x310 include/linux/list.h:114 Call Trace: <TASK> raw_notifier_call_chain+0x6d/0xa0 kernel/notifier.c:87 call_netdevice_notifiers_info+0x6e/0xc0 net/core/dev.c:1944 unregister_netdevice_many_notify+0x60d/0xcb0 net/core/dev.c:1982 unregister_netdevice_queue+0x154/0x1a0 net/core/dev.c:10879 register_netdevice+0x9a8/0xb90 net/core/dev.c:10083 ieee802154_if_add+0x6ed/0x7e0 net/mac802154/iface.c:659 ieee802154_register_hw+0x29c/0x330 net/mac802154/main.c:229 mcr20a_probe+0xaaa/0xcb1 drivers/net/ieee802154/mcr20a.c:1316 ieee802154_if_add() allocates wpan_dev as netdev's private data, but not init the list in struct wpan_dev. cfg802154_netdev_notifier_call() manage the list when device register/unregister, and may lead to null-ptr-deref. Use INIT_LIST_HEAD() on it to initialize it correctly.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1831d4540406708e48239cf38fd9c3b7ea98e08fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/42c319635c0cf7eb36eccac6cda76532f47b61a3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/623918f40fa68e3bb21312a3fafb90f491bf5358Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7410f4d1221bb182510b7778ab6eefa8b9b7102dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9980a3ea20de40c83817877106c909cb032692d2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a110287ef4a423980309490df632e1c1e73b3dc9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b3d72d3135d2ef68296c1ee174436efd65386f04Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f00c84fb1635c27ba24ec5df65d5bd7d7dc00008Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1


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  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add()\n\nKernel fault injection test reports null-ptr-deref as follows:\n\nBUG: kernel NULL pointer dereference, address: 0000000000000008\nRIP: 0010:cfg802154_netdev_notifier_call+0x120/0x310 include/linux/list.h:114\nCall Trace:\n \u003cTASK\u003e\n raw_notifier_call_chain+0x6d/0xa0 kernel/notifier.c:87\n call_netdevice_notifiers_info+0x6e/0xc0 net/core/dev.c:1944\n unregister_netdevice_many_notify+0x60d/0xcb0 net/core/dev.c:1982\n unregister_netdevice_queue+0x154/0x1a0 net/core/dev.c:10879\n register_netdevice+0x9a8/0xb90 net/core/dev.c:10083\n ieee802154_if_add+0x6ed/0x7e0 net/mac802154/iface.c:659\n ieee802154_register_hw+0x29c/0x330 net/mac802154/main.c:229\n mcr20a_probe+0xaaa/0xcb1 drivers/net/ieee802154/mcr20a.c:1316\n\nieee802154_if_add() allocates wpan_dev as netdev\u0027s private data, but not\ninit the list in struct wpan_dev. cfg802154_netdev_notifier_call() manage\nthe list when device register/unregister, and may lead to null-ptr-deref.\n\nUse INIT_LIST_HEAD() on it to initialize it correctly."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mac802154: se corrige el INIT_LIST_HEAD faltante en ieee802154_if_add(). La prueba de inyecci\u00f3n de errores del kernel informa null-ptr-deref de la siguiente manera: ERROR: desreferencia de puntero NULL del kernel, direcci\u00f3n: 0000000000000008 RIP: 0010:cfg802154_netdev_notifier_call+0x120/0x310 include/linux/list.h:114 Seguimiento de llamadas:  raw_notifier_call_chain+0x6d/0xa0 kernel/notifier.c:87 call_netdevice_notifiers_info+0x6e/0xc0 net/core/dev.c:1944 unregister_netdevice_many_notify+0x60d/0xcb0 net/core/dev.c:1982 unregister_netdevice_queue+0x154/0x1a0 net/core/dev.c:10879 register_netdevice+0x9a8/0xb90 net/core/dev.c:10083 ieee802154_if_add+0x6ed/0x7e0 net/mac802154/iface.c:659 ieee802154_register_hw+0x29c/0x330 net/mac802154/main.c:229 mcr20a_probe+0xaaa/0xcb1 drivers/net/ieee802154/mcr20a.c:1316 ieee802154_if_add() asigna wpan_dev como datos privados de netdev, pero No inicializa la lista en la estructura wpan_dev. cfg802154_netdev_notifier_call() administra la lista cuando se registra o cancela el registro del dispositivo y puede generar una desreferencia de PTR nula. Use INIT_LIST_HEAD() para inicializarla correctamente."
    }
  ],
  "id": "CVE-2022-48972",
  "lastModified": "2024-10-25T15:22:33.897",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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  "published": "2024-10-21T20:15:09.343",
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  "weaknesses": [
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          "lang": "en",
          "value": "CWE-476"
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      "source": "nvd@nist.gov",
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}


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