CVE-2022-50538 (GCVE-0-2022-50538)
Vulnerability from cvelistv5
Published
2025-10-07 15:21
Modified
2025-10-07 15:21
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: vme: Fix error not catched in fake_init() In fake_init(), __root_device_register() is possible to fail but it's ignored, which can cause unregistering vme_root fail when exit. general protection fault, probably for non-canonical address 0xdffffc000000008c KASAN: null-ptr-deref in range [0x0000000000000460-0x0000000000000467] RIP: 0010:root_device_unregister+0x26/0x60 Call Trace: <TASK> __x64_sys_delete_module+0x34f/0x540 do_syscall_64+0x38/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd Return error when __root_device_register() fails.
References
Impacted products
Vendor Product Version
Linux Linux Version: 658bcdae9c6755806e66b33e29d56b33a3ff421a
Version: 658bcdae9c6755806e66b33e29d56b33a3ff421a
Version: 658bcdae9c6755806e66b33e29d56b33a3ff421a
Version: 658bcdae9c6755806e66b33e29d56b33a3ff421a
Version: 658bcdae9c6755806e66b33e29d56b33a3ff421a
Version: 658bcdae9c6755806e66b33e29d56b33a3ff421a
Version: 658bcdae9c6755806e66b33e29d56b33a3ff421a
Version: 658bcdae9c6755806e66b33e29d56b33a3ff421a
Version: 658bcdae9c6755806e66b33e29d56b33a3ff421a
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{
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          "programFiles": [
            "drivers/staging/vme_user/vme_fake.c"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvme: Fix error not catched in fake_init()\n\nIn fake_init(), __root_device_register() is possible to fail but it\u0027s\nignored, which can cause unregistering vme_root fail when exit.\n\n general protection fault,\n probably for non-canonical address 0xdffffc000000008c\n KASAN: null-ptr-deref in range [0x0000000000000460-0x0000000000000467]\n RIP: 0010:root_device_unregister+0x26/0x60\n Call Trace:\n  \u003cTASK\u003e\n  __x64_sys_delete_module+0x34f/0x540\n  do_syscall_64+0x38/0x90\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nReturn error when __root_device_register() fails."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-07T15:21:04.428Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e831fdd60e5863ee03173baf5a0f7c5450b44381"
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          "url": "https://git.kernel.org/stable/c/69b43937f14bdc3594f57f1a507a14f3d1187136"
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          "url": "https://git.kernel.org/stable/c/37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c"
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        },
        {
          "url": "https://git.kernel.org/stable/c/7bef797d707f1744f71156b21d41e3b8c946631f"
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      "title": "vme: Fix error not catched in fake_init()",
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50538",
    "datePublished": "2025-10-07T15:21:04.428Z",
    "dateReserved": "2025-10-07T15:15:38.666Z",
    "dateUpdated": "2025-10-07T15:21:04.428Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50538\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-07T16:15:38.067\",\"lastModified\":\"2025-10-08T19:38:32.610\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nvme: Fix error not catched in fake_init()\\n\\nIn fake_init(), __root_device_register() is possible to fail but it\u0027s\\nignored, which can cause unregistering vme_root fail when exit.\\n\\n general protection fault,\\n probably for non-canonical address 0xdffffc000000008c\\n KASAN: null-ptr-deref in range [0x0000000000000460-0x0000000000000467]\\n RIP: 0010:root_device_unregister+0x26/0x60\\n Call Trace:\\n  \u003cTASK\u003e\\n  __x64_sys_delete_module+0x34f/0x540\\n  do_syscall_64+0x38/0x90\\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nReturn error when __root_device_register() fails.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/09be0e7ac5f9374b6f8de72c89ed67129af71f65\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4bc217b25ea81034fad8e33fd33e4659f086421d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/60ff9bd4ffc87bace581e235a6728f5ac8e5071f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/69b43937f14bdc3594f57f1a507a14f3d1187136\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7bef797d707f1744f71156b21d41e3b8c946631f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a2a93546d414c7fe4862b87183fb737d1300d9d2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e831fdd60e5863ee03173baf5a0f7c5450b44381\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f3f65c4177846c483bf009f8c512ab04b3c62466\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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