CVE-2023-52477
Vulnerability from cvelistv5
Published
2024-02-29 05:43
Modified
2024-11-04 14:47
Severity ?
Summary
usb: hub: Guard against accesses to uninitialized BOS descriptors
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/136f69a04e71ba3458d137aec3bb2ce1232c0289
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/241f230324337ed5eae3846a554fb6d15169872c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/528f0ba9f7a4bc1b61c9b6eb591ff97ca37cac6b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6ad3e9fd3632106696692232bf7ff88b9f7e1bc3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8e7346bfea56453e31b7421c1c17ca2fb9ed613d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c64e4dca9aefd232b17ac4c779b608b286654e81
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f74a7afc224acd5e922c7a2e52244d891bbe44ee
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fb9895ab9533534335fa83d70344b397ac862c81
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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          "product": "Linux",
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: hub: Guard against accesses to uninitialized BOS descriptors\n\nMany functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h\naccess fields inside udev-\u003ebos without checking if it was allocated and\ninitialized. If usb_get_bos_descriptor() fails for whatever\nreason, udev-\u003ebos will be NULL and those accesses will result in a\ncrash:\n\nBUG: kernel NULL pointer dereference, address: 0000000000000018\nPGD 0 P4D 0\nOops: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 5 PID: 17818 Comm: kworker/5:1 Tainted: G W 5.15.108-18910-gab0e1cb584e1 #1 \u003cHASH:1f9e 1\u003e\nHardware name: Google Kindred/Kindred, BIOS Google_Kindred.12672.413.0 02/03/2021\nWorkqueue: usb_hub_wq hub_event\nRIP: 0010:hub_port_reset+0x193/0x788\nCode: 89 f7 e8 20 f7 15 00 48 8b 43 08 80 b8 96 03 00 00 03 75 36 0f b7 88 92 03 00 00 81 f9 10 03 00 00 72 27 48 8b 80 a8 03 00 00 \u003c48\u003e 83 78 18 00 74 19 48 89 df 48 8b 75 b0 ba 02 00 00 00 4c 89 e9\nRSP: 0018:ffffab740c53fcf8 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: ffffa1bc5f678000 RCX: 0000000000000310\nRDX: fffffffffffffdff RSI: 0000000000000286 RDI: ffffa1be9655b840\nRBP: ffffab740c53fd70 R08: 00001b7d5edaa20c R09: ffffffffb005e060\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000\nR13: ffffab740c53fd3e R14: 0000000000000032 R15: 0000000000000000\nFS: 0000000000000000(0000) GS:ffffa1be96540000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000018 CR3: 000000022e80c005 CR4: 00000000003706e0\nCall Trace:\nhub_event+0x73f/0x156e\n? hub_activate+0x5b7/0x68f\nprocess_one_work+0x1a2/0x487\nworker_thread+0x11a/0x288\nkthread+0x13a/0x152\n? process_one_work+0x487/0x487\n? kthread_associate_blkcg+0x70/0x70\nret_from_fork+0x1f/0x30\n\nFall back to a default behavior if the BOS descriptor isn\u0027t accessible\nand skip all the functionalities that depend on it: LPM support checks,\nSuper Speed capabilitiy checks, U1/U2 states setup."
        }
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "title": "usb: hub: Guard against accesses to uninitialized BOS descriptors",
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52477",
    "datePublished": "2024-02-29T05:43:10.088Z",
    "dateReserved": "2024-02-20T12:30:33.298Z",
    "dateUpdated": "2024-11-04T14:47:36.215Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52477\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-02-29T06:15:45.870\",\"lastModified\":\"2024-02-29T13:49:29.390\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: hub: Guard against accesses to uninitialized BOS descriptors\\n\\nMany functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h\\naccess fields inside udev-\u003ebos without checking if it was allocated and\\ninitialized. If usb_get_bos_descriptor() fails for whatever\\nreason, udev-\u003ebos will be NULL and those accesses will result in a\\ncrash:\\n\\nBUG: kernel NULL pointer dereference, address: 0000000000000018\\nPGD 0 P4D 0\\nOops: 0000 [#1] PREEMPT SMP NOPTI\\nCPU: 5 PID: 17818 Comm: kworker/5:1 Tainted: G W 5.15.108-18910-gab0e1cb584e1 #1 \u003cHASH:1f9e 1\u003e\\nHardware name: Google Kindred/Kindred, BIOS Google_Kindred.12672.413.0 02/03/2021\\nWorkqueue: usb_hub_wq hub_event\\nRIP: 0010:hub_port_reset+0x193/0x788\\nCode: 89 f7 e8 20 f7 15 00 48 8b 43 08 80 b8 96 03 00 00 03 75 36 0f b7 88 92 03 00 00 81 f9 10 03 00 00 72 27 48 8b 80 a8 03 00 00 \u003c48\u003e 83 78 18 00 74 19 48 89 df 48 8b 75 b0 ba 02 00 00 00 4c 89 e9\\nRSP: 0018:ffffab740c53fcf8 EFLAGS: 00010246\\nRAX: 0000000000000000 RBX: ffffa1bc5f678000 RCX: 0000000000000310\\nRDX: fffffffffffffdff RSI: 0000000000000286 RDI: ffffa1be9655b840\\nRBP: ffffab740c53fd70 R08: 00001b7d5edaa20c R09: ffffffffb005e060\\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000\\nR13: ffffab740c53fd3e R14: 0000000000000032 R15: 0000000000000000\\nFS: 0000000000000000(0000) GS:ffffa1be96540000(0000) knlGS:0000000000000000\\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000000000000018 CR3: 000000022e80c005 CR4: 00000000003706e0\\nCall Trace:\\nhub_event+0x73f/0x156e\\n? hub_activate+0x5b7/0x68f\\nprocess_one_work+0x1a2/0x487\\nworker_thread+0x11a/0x288\\nkthread+0x13a/0x152\\n? process_one_work+0x487/0x487\\n? kthread_associate_blkcg+0x70/0x70\\nret_from_fork+0x1f/0x30\\n\\nFall back to a default behavior if the BOS descriptor isn\u0027t accessible\\nand skip all the functionalities that depend on it: LPM support checks,\\nSuper Speed capabilitiy checks, U1/U2 states setup.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: hub: protege contra accesos a descriptores BOS no inicializados Muchas funciones en drivers/usb/core/hub.c y drivers/usb/core/hub.h acceden a los campos dentro de udev- \u0026gt;bos sin verificar si fue asignado e inicializado. Si usb_get_bos_descriptor() falla por cualquier motivo, udev-\u0026gt;bos ser\u00e1 NULL y esos accesos resultar\u00e1n en un bloqueo: ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 0000000000000018 PGD 0 P4D 0 Vaya: 0000 [#1] CPU PREEMPT SMP NOPTI : 5 PID: 17818 Comm: kworker/5:1 Tainted: GW 5.15.108-18910-gab0e1cb584e1 #1  Nombre de hardware: Google Kindred/Kindred, BIOS Google_Kindred.12672.413.0 03/02/2021 Cola de trabajo : usb_hub_wq hub_event RIP: 0010:hub_port_reset+0x193/0x788 C\u00f3digo: 89 f7 e8 20 f7 15 00 48 8b 43 08 80 b8 96 03 00 00 03 75 36 0f b7 88 92 03 00 00 81 f9 10 03 00 00 72 27 48 8b 80 a8 03 00 00 \u0026lt;48\u0026gt; 83 78 18 00 74 19 48 89 df 48 8b 75 b0 ba 02 00 00 00 4c 89 e9 RSP: 0018:ffffab740c53fcf8 EFLAGS: 00010246 RAX: 000000 0000000000 RBX: ffffa1bc5f678000 RCX: 0000000000000310 RDX: ffffffffffffdff RSI: 0000000000000286 RDI: ffffa1be9655b840 RBP: ffffab740c53fd70 R08: 00001b7d5edaa20c R09: ffffffffb005e060 R10: 0000000000000001 R11: 00000000 00000000 R12: 0000000000000000 R13: ffffab740c53fd3e R14: 0000000000000032 R15: 00000000000000000 FS: 0000000000000000(0000) GS:ffffa1be965 40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000018 CR3: 000000022e80c005 CR4: 00000000003706e0 Seguimiento de llamadas: hub_event+0x73f/0x156e ? hub_activate+0x5b7/0x68f proceso_one_work+0x1a2/0x487 trabajador_thread+0x11a/0x288 kthread+0x13a/0x152 ? proceso_one_work+0x487/0x487? kthread_associate_blkcg+0x70/0x70 ret_from_fork+0x1f/0x30 Vuelva a un comportamiento predeterminado si no se puede acceder al descriptor BOS y omita todas las funcionalidades que dependen de \u00e9l: comprobaciones de compatibilidad con LPM, comprobaciones de capacidad de supervelocidad, configuraci\u00f3n de estados U1/U2.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/136f69a04e71ba3458d137aec3bb2ce1232c0289\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/241f230324337ed5eae3846a554fb6d15169872c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/528f0ba9f7a4bc1b61c9b6eb591ff97ca37cac6b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6ad3e9fd3632106696692232bf7ff88b9f7e1bc3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8e7346bfea56453e31b7421c1c17ca2fb9ed613d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c64e4dca9aefd232b17ac4c779b608b286654e81\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f74a7afc224acd5e922c7a2e52244d891bbe44ee\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fb9895ab9533534335fa83d70344b397ac862c81\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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