nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition

{
  "id": "23f6d875b01775444d86c25f1723d8e08be23e3921cb7dc3d7b80a2106a41e40",
  "url": "https://osv.dev/vulnerability/CVE-2023-53106",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition This bug influences both st_nci_i2c_remove and st_nci_spi_remove. Take st_nci_i2c_remove as an example. In st_nci_i2c_probe, it called ndlc_probe and bound &ndlc->sm_work with llt_ndlc_sm_work. When it calls ndlc_recv or timeout handler, it will finally call schedule_work to start the work. When we call st_nci_i2c_remove to remove the driver, there may be a sequence as follows: Fix it by finishing the work before cleanup in ndlc_remove CPU0 CPU1 |llt_ndlc_sm_work st_nci_i2c_remove | ndlc_remove | st_nci_remove | nci_free_device| kfree(ndev) | //free ndlc->ndev | |llt_ndlc_rcv_queue |nci_recv_frame |//use ndlc->ndev",
    "evidence": "osv:CVE-2023-53106",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
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        "prerequisites": [],
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        "affected_versions": []
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    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-53106",
      "aliases": [
        "CVE-2023-53106"
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      "modified": "2026-10-28T02:30:31.487016077Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2156490c4b7cacda9a18ec99929940b8376dc0e3",
        "https://git.kernel.org/stable/c/3405eb641dafcc8b28d174784b203c1622c121bf",
        "https://git.kernel.org/stable/c/43aa468df246175207a7d5d7d6d31b231f15b49c",
        "https://git.kernel.org/stable/c/5000fe6c27827a61d8250a7e4a1d26c3298ef4f6",
        "https://git.kernel.org/stable/c/5e331022b448fbc5e76f24349cd0246844dcad25",
        "https://git.kernel.org/stable/c/84dd9cc34014e3a3dcce0eb6d54b8a067e97676b",
        "https://git.kernel.org/stable/c/b0c202a8dc63008205a5d546559736507a9aae66",
        "https://git.kernel.org/stable/c/f589e5b56c562d99ea74e05b1c3f0eab78aa17a3",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53106.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53106",
        "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/2023/53xxx/CVE-2023-53106.json"
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        "value": "CVE-2023-53106",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 498341,
  "published_at": "2025-05-02T15:55:47.501+00:00"
}