CVE-2025-40140 (GCVE-0-2025-40140)
Vulnerability from cvelistv5
Published
2025-11-12 10:23
Modified
2025-11-12 10:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: usb: Remove disruptive netif_wake_queue in rtl8150_set_multicast syzbot reported WARNING in rtl8150_start_xmit/usb_submit_urb. This is the sequence of events that leads to the warning: rtl8150_start_xmit() { netif_stop_queue(); usb_submit_urb(dev->tx_urb); } rtl8150_set_multicast() { netif_stop_queue(); netif_wake_queue(); <-- wakes up TX queue before URB is done } rtl8150_start_xmit() { netif_stop_queue(); usb_submit_urb(dev->tx_urb); <-- double submission } rtl8150_set_multicast being the ndo_set_rx_mode callback should not be calling netif_stop_queue and notif_start_queue as these handle TX queue synchronization. The net core function dev_set_rx_mode handles the synchronization for rtl8150_set_multicast making it safe to remove these locks.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/usb/rtl8150.c"
          ],
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          "vendor": "Linux",
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "2.6.12"
            },
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              "version": "0",
              "versionType": "semver"
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              "version": "5.4.301",
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            },
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              "status": "unaffected",
              "version": "5.10.246",
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              "status": "unaffected",
              "version": "5.15.195",
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              "status": "unaffected",
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            },
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18-rc1",
              "versionType": "original_commit_for_fix"
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          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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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\nnet: usb: Remove disruptive netif_wake_queue in rtl8150_set_multicast\n\nsyzbot reported WARNING in rtl8150_start_xmit/usb_submit_urb.\nThis is the sequence of events that leads to the warning:\n\nrtl8150_start_xmit() {\n\tnetif_stop_queue();\n\tusb_submit_urb(dev-\u003etx_urb);\n}\n\nrtl8150_set_multicast() {\n\tnetif_stop_queue();\n\tnetif_wake_queue();\t\t\u003c-- wakes up TX queue before URB is done\n}\n\nrtl8150_start_xmit() {\n\tnetif_stop_queue();\n\tusb_submit_urb(dev-\u003etx_urb);\t\u003c-- double submission\n}\n\nrtl8150_set_multicast being the ndo_set_rx_mode callback should not be\ncalling netif_stop_queue and notif_start_queue as these handle\nTX queue synchronization.\n\nThe net core function dev_set_rx_mode handles the synchronization\nfor rtl8150_set_multicast making it safe to remove these locks."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-12T10:23:24.586Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/cce3c0e21cdd15bcba5c35d3af1700186de8f187"
        },
        {
          "url": "https://git.kernel.org/stable/c/1a08a37ac03d07a1608a1592791041cac979fbc3"
        },
        {
          "url": "https://git.kernel.org/stable/c/54f8ef1a970a8376e5846ed90854decf7c00555d"
        },
        {
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          "url": "https://git.kernel.org/stable/c/6394bade9daab8e318c165fe43bba012bf13cd8e"
        },
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          "url": "https://git.kernel.org/stable/c/6053e47bbf212b93c051beb4261d7d5a409d0ce3"
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          "url": "https://git.kernel.org/stable/c/9d72df7f5eac946f853bf49c428c4e87a17d91da"
        },
        {
          "url": "https://git.kernel.org/stable/c/958baf5eaee394e5fd976979b0791a875f14a179"
        }
      ],
      "title": "net: usb: Remove disruptive netif_wake_queue in rtl8150_set_multicast",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40140",
    "datePublished": "2025-11-12T10:23:24.586Z",
    "dateReserved": "2025-04-16T07:20:57.171Z",
    "dateUpdated": "2025-11-12T10:23:24.586Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-40140\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-11-12T11:15:43.790\",\"lastModified\":\"2025-11-12T16:19:12.850\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: usb: Remove disruptive netif_wake_queue in rtl8150_set_multicast\\n\\nsyzbot reported WARNING in rtl8150_start_xmit/usb_submit_urb.\\nThis is the sequence of events that leads to the warning:\\n\\nrtl8150_start_xmit() {\\n\\tnetif_stop_queue();\\n\\tusb_submit_urb(dev-\u003etx_urb);\\n}\\n\\nrtl8150_set_multicast() {\\n\\tnetif_stop_queue();\\n\\tnetif_wake_queue();\\t\\t\u003c-- wakes up TX queue before URB is done\\n}\\n\\nrtl8150_start_xmit() {\\n\\tnetif_stop_queue();\\n\\tusb_submit_urb(dev-\u003etx_urb);\\t\u003c-- double submission\\n}\\n\\nrtl8150_set_multicast being the ndo_set_rx_mode callback should not be\\ncalling netif_stop_queue and notif_start_queue as these handle\\nTX queue synchronization.\\n\\nThe net core function dev_set_rx_mode handles the synchronization\\nfor rtl8150_set_multicast making it safe to remove these locks.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/114e05344763a102a8844efd96ec06ba99293ccd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1a08a37ac03d07a1608a1592791041cac979fbc3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/54f8ef1a970a8376e5846ed90854decf7c00555d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6053e47bbf212b93c051beb4261d7d5a409d0ce3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6394bade9daab8e318c165fe43bba012bf13cd8e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/958baf5eaee394e5fd976979b0791a875f14a179\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9d72df7f5eac946f853bf49c428c4e87a17d91da\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cce3c0e21cdd15bcba5c35d3af1700186de8f187\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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