CVE-2025-37916 (GCVE-0-2025-37916)
Vulnerability from cvelistv5
Published
2025-05-20 15:21
Modified
2025-05-26 05:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: pds_core: remove write-after-free of client_id A use-after-free error popped up in stress testing: [Mon Apr 21 21:21:33 2025] BUG: KFENCE: use-after-free write in pdsc_auxbus_dev_del+0xef/0x160 [pds_core] [Mon Apr 21 21:21:33 2025] Use-after-free write at 0x000000007013ecd1 (in kfence-#47): [Mon Apr 21 21:21:33 2025] pdsc_auxbus_dev_del+0xef/0x160 [pds_core] [Mon Apr 21 21:21:33 2025] pdsc_remove+0xc0/0x1b0 [pds_core] [Mon Apr 21 21:21:33 2025] pci_device_remove+0x24/0x70 [Mon Apr 21 21:21:33 2025] device_release_driver_internal+0x11f/0x180 [Mon Apr 21 21:21:33 2025] driver_detach+0x45/0x80 [Mon Apr 21 21:21:33 2025] bus_remove_driver+0x83/0xe0 [Mon Apr 21 21:21:33 2025] pci_unregister_driver+0x1a/0x80 The actual device uninit usually happens on a separate thread scheduled after this code runs, but there is no guarantee of order of thread execution, so this could be a problem. There's no actual need to clear the client_id at this point, so simply remove the offending code.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/26dc701021302f11c8350108321d11763bd81dfe
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9b467c5bcdb45a41d2a49fbb9ffca73d1380e99b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c649b9653ed09196e91d3f4b16b679041b3c42e6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dfd76010f8e821b66116dec3c7d90dd2403d1396
Impacted products
Vendor Product Version
Linux Linux Version: 10659034c622738bc1bfab8a76fc576c52d5acce
Version: 10659034c622738bc1bfab8a76fc576c52d5acce
Version: 10659034c622738bc1bfab8a76fc576c52d5acce
Version: 10659034c622738bc1bfab8a76fc576c52d5acce
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   Linux Linux Version: 6.4
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/amd/pds_core/auxbus.c"
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              "version": "0",
              "versionType": "semver"
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      "cpeApplicability": [
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              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: remove write-after-free of client_id\n\nA use-after-free error popped up in stress testing:\n\n[Mon Apr 21 21:21:33 2025] BUG: KFENCE: use-after-free write in pdsc_auxbus_dev_del+0xef/0x160 [pds_core]\n[Mon Apr 21 21:21:33 2025] Use-after-free write at 0x000000007013ecd1 (in kfence-#47):\n[Mon Apr 21 21:21:33 2025]  pdsc_auxbus_dev_del+0xef/0x160 [pds_core]\n[Mon Apr 21 21:21:33 2025]  pdsc_remove+0xc0/0x1b0 [pds_core]\n[Mon Apr 21 21:21:33 2025]  pci_device_remove+0x24/0x70\n[Mon Apr 21 21:21:33 2025]  device_release_driver_internal+0x11f/0x180\n[Mon Apr 21 21:21:33 2025]  driver_detach+0x45/0x80\n[Mon Apr 21 21:21:33 2025]  bus_remove_driver+0x83/0xe0\n[Mon Apr 21 21:21:33 2025]  pci_unregister_driver+0x1a/0x80\n\nThe actual device uninit usually happens on a separate thread\nscheduled after this code runs, but there is no guarantee of order\nof thread execution, so this could be a problem.  There\u0027s no\nactual need to clear the client_id at this point, so simply\nremove the offending code."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:23:38.953Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        },
        {
          "url": "https://git.kernel.org/stable/c/26dc701021302f11c8350108321d11763bd81dfe"
        },
        {
          "url": "https://git.kernel.org/stable/c/dfd76010f8e821b66116dec3c7d90dd2403d1396"
        }
      ],
      "title": "pds_core: remove write-after-free of client_id",
      "x_generator": {
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37916",
    "datePublished": "2025-05-20T15:21:47.088Z",
    "dateReserved": "2025-04-16T04:51:23.967Z",
    "dateUpdated": "2025-05-26T05:23:38.953Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-37916\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-20T16:15:28.170\",\"lastModified\":\"2025-05-21T20:25:16.407\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\npds_core: remove write-after-free of client_id\\n\\nA use-after-free error popped up in stress testing:\\n\\n[Mon Apr 21 21:21:33 2025] BUG: KFENCE: use-after-free write in pdsc_auxbus_dev_del+0xef/0x160 [pds_core]\\n[Mon Apr 21 21:21:33 2025] Use-after-free write at 0x000000007013ecd1 (in kfence-#47):\\n[Mon Apr 21 21:21:33 2025]  pdsc_auxbus_dev_del+0xef/0x160 [pds_core]\\n[Mon Apr 21 21:21:33 2025]  pdsc_remove+0xc0/0x1b0 [pds_core]\\n[Mon Apr 21 21:21:33 2025]  pci_device_remove+0x24/0x70\\n[Mon Apr 21 21:21:33 2025]  device_release_driver_internal+0x11f/0x180\\n[Mon Apr 21 21:21:33 2025]  driver_detach+0x45/0x80\\n[Mon Apr 21 21:21:33 2025]  bus_remove_driver+0x83/0xe0\\n[Mon Apr 21 21:21:33 2025]  pci_unregister_driver+0x1a/0x80\\n\\nThe actual device uninit usually happens on a separate thread\\nscheduled after this code runs, but there is no guarantee of order\\nof thread execution, so this could be a problem.  There\u0027s no\\nactual need to clear the client_id at this point, so simply\\nremove the offending code.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/26dc701021302f11c8350108321d11763bd81dfe\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9b467c5bcdb45a41d2a49fbb9ffca73d1380e99b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c649b9653ed09196e91d3f4b16b679041b3c42e6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dfd76010f8e821b66116dec3c7d90dd2403d1396\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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