net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg

{
  "id": "c91b81d3a337ac9406347d9673fab8dbc34be53b2726583488d9125668d50433",
  "url": "https://osv.dev/vulnerability/CVE-2023-52528",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg syzbot reported the following uninit-value access issue: ===================================================== BUG: KMSAN: uninit-value in smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline] BUG: KMSAN: uninit-value in smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482 CPU: 0 PID: 8696 Comm: kworker/0:3 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x21c/0x280 lib/dump_stack.c:118 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215 smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline] smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482 usbnet_probe+0x1152/0x3f90 drivers/net/usb/usbnet.c:1737 usb_probe_interface+0xece/0x1550 drivers/usb/core/driver.c:374 really_probe+0xf20/0x20b0 drivers/base/dd.c:529 driver_probe_device+0x293/0x390 drivers/base/dd.c:701 __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807 bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431 __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873 device_initial_probe+0x4a/0x60 drivers/base/dd.c:920 bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491 device_add+0x3b0e/0x40d0 drivers/base/core.c:2680 usb_set_configuration+0x380f/0",
    "evidence": "osv:CVE-2023-52528",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.14.327",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "4.19.296",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.258",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.198",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.135",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.57",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.5.7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-52528",
      "aliases": [
        "CVE-2023-52528"
      ],
      "affected": [
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              "type": "GIT",
              "events": [
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                  "fixed": "2a36d9e2995c8c3c3f179aab1215a69cff06cbed"
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                {
                  "fixed": "310f1c92f65ad905b7e81fe14de82d979ebbd825"
                },
                {
                  "fixed": "30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5"
                },
                {
                  "fixed": "cda10784a176d7192f08ecb518f777a4e9575812"
                },
                {
                  "fixed": "9ffc5018020fe646795a8dc1203224b8f776dc09"
                },
                {
                  "fixed": "4931e80da9463b03bfe42be54a9a19f213b0f76d"
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                  "fixed": "e9c65989920f7c28775ec4e0c11b483910fb67b8"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52528.json"
          }
        },
        {
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              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "2.6.34"
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                  "fixed": "4.14.327"
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              ]
            },
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                  "introduced": "5.11.0"
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            },
            {
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                  "introduced": "5.16.0"
                },
                {
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            },
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                  "introduced": "6.2.0"
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52528.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.946480034Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2a36d9e2995c8c3c3f179aab1215a69cff06cbed",
        "https://git.kernel.org/stable/c/30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5",
        "https://git.kernel.org/stable/c/310f1c92f65ad905b7e81fe14de82d979ebbd825",
        "https://git.kernel.org/stable/c/3e0af6eec1789fd11934164a7f4dbcad979855a4",
        "https://git.kernel.org/stable/c/4931e80da9463b03bfe42be54a9a19f213b0f76d",
        "https://git.kernel.org/stable/c/9ffc5018020fe646795a8dc1203224b8f776dc09",
        "https://git.kernel.org/stable/c/cda10784a176d7192f08ecb518f777a4e9575812",
        "https://git.kernel.org/stable/c/e9c65989920f7c28775ec4e0c11b483910fb67b8",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52528.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52528",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52528.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-52528",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 514047,
  "published_at": "2024-03-02T21:52:33.554+00:00"
}