cve-2024-27060
Vulnerability from cvelistv5
Published
2024-05-01 13:00
Modified
2024-09-11 17:33
Severity
Summary
thunderbolt: Fix NULL pointer dereference in tb_port_update_credits()
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ce64ba1f6ec3439e4b4d880b4db99673f4507228
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d3d17e23d1a0d1f959b4fa55b35f1802d9c584fa
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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                "id": "CVE-2024-27060",
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/thunderbolt/switch.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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          "versions": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Fix NULL pointer dereference in tb_port_update_credits()\n\nOlliver reported that his system crashes when plugging in Thunderbolt 1\ndevice:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000020\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 0 P4D 0\n Oops: 0000 [#1] PREEMPT SMP NOPTI\n RIP: 0010:tb_port_do_update_credits+0x1b/0x130 [thunderbolt]\n Call Trace:\n  \u003cTASK\u003e\n  ? __die+0x23/0x70\n  ? page_fault_oops+0x171/0x4e0\n  ? exc_page_fault+0x7f/0x180\n  ? asm_exc_page_fault+0x26/0x30\n  ? tb_port_do_update_credits+0x1b/0x130\n  ? tb_switch_update_link_attributes+0x83/0xd0\n  tb_switch_add+0x7a2/0xfe0\n  tb_scan_port+0x236/0x6f0\n  tb_handle_hotplug+0x6db/0x900\n  process_one_work+0x171/0x340\n  worker_thread+0x27b/0x3a0\n  ? __pfx_worker_thread+0x10/0x10\n  kthread+0xe5/0x120\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork+0x31/0x50\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork_asm+0x1b/0x30\n  \u003c/TASK\u003e\n\nThis is due the fact that some Thunderbolt 1 devices only have one lane\nadapter. Fix this by checking for the lane 1 before we read its credits."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-29T05:27:50.554Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-27060",
    "datePublished": "2024-05-01T13:00:13.995Z",
    "dateReserved": "2024-02-19T14:20:24.215Z",
    "dateUpdated": "2024-09-11T17:33:30.916Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-27060\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-01T13:15:50.543\",\"lastModified\":\"2024-05-01T19:50:25.633\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nthunderbolt: Fix NULL pointer dereference in tb_port_update_credits()\\n\\nOlliver reported that his system crashes when plugging in Thunderbolt 1\\ndevice:\\n\\n BUG: kernel NULL pointer dereference, address: 0000000000000020\\n #PF: supervisor read access in kernel mode\\n #PF: error_code(0x0000) - not-present page\\n PGD 0 P4D 0\\n Oops: 0000 [#1] PREEMPT SMP NOPTI\\n RIP: 0010:tb_port_do_update_credits+0x1b/0x130 [thunderbolt]\\n Call Trace:\\n  \u003cTASK\u003e\\n  ? __die+0x23/0x70\\n  ? page_fault_oops+0x171/0x4e0\\n  ? exc_page_fault+0x7f/0x180\\n  ? asm_exc_page_fault+0x26/0x30\\n  ? tb_port_do_update_credits+0x1b/0x130\\n  ? tb_switch_update_link_attributes+0x83/0xd0\\n  tb_switch_add+0x7a2/0xfe0\\n  tb_scan_port+0x236/0x6f0\\n  tb_handle_hotplug+0x6db/0x900\\n  process_one_work+0x171/0x340\\n  worker_thread+0x27b/0x3a0\\n  ? __pfx_worker_thread+0x10/0x10\\n  kthread+0xe5/0x120\\n  ? __pfx_kthread+0x10/0x10\\n  ret_from_fork+0x31/0x50\\n  ? __pfx_kthread+0x10/0x10\\n  ret_from_fork_asm+0x1b/0x30\\n  \u003c/TASK\u003e\\n\\nThis is due the fact that some Thunderbolt 1 devices only have one lane\\nadapter. Fix this by checking for the lane 1 before we read its credits.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Thunderbolt: corrige la desreferencia del puntero NULL en tb_port_update_credits() Olliver inform\u00f3 que su sistema falla al conectar el dispositivo Thunderbolt 1: ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 0000000000000020 #PF: supervisor le\u00eddo acceso en modo kernel #PF: error_code(0x0000) - p\u00e1gina no presente PGD 0 P4D 0 Vaya: 0000 [#1] PREEMPT SMP NOPTI RIP: 0010:tb_port_do_update_credits+0x1b/0x130 [thunderbolt] Seguimiento de llamadas:  ? __morir+0x23/0x70 ? page_fault_oops+0x171/0x4e0? exc_page_fault+0x7f/0x180? asm_exc_page_fault+0x26/0x30? tb_port_do_update_credits+0x1b/0x130 ? tb_switch_update_link_attributes+0x83/0xd0 tb_switch_add+0x7a2/0xfe0 tb_scan_port+0x236/0x6f0 tb_handle_hotplug+0x6db/0x900 Process_one_work+0x171/0x340 Workers_thread+0x27b/0x3a0 ? __pfx_worker_thread+0x10/0x10 kthread+0xe5/0x120 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x31/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30  Esto se debe al hecho de que algunos dispositivos Thunderbolt 1 solo tienen un adaptador de l\u00ednea. Solucione este problema comprobando el carril 1 antes de leer sus cr\u00e9ditos.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/ce64ba1f6ec3439e4b4d880b4db99673f4507228\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d3d17e23d1a0d1f959b4fa55b35f1802d9c584fa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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