CVE-2026-80567 (GCVE-0-2026-80567)
Vulnerability from cvelistv5
Published
2026-08-26 14:37
Modified
2026-08-26 14:37
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 - propagate F54 worker errors to V4L2 queue Previously, rmi_f54_buffer_queue() waited for the worker thread to finish but ignored whether it succeeded. If the worker failed (e.g., due to a timeout or register read failure), the queue thread would silently return success, delivering stale or uninitialized memory to userspace. Add a 'report_error' field to struct f54_data to store the worker's exit status. Check this field in rmi_f54_buffer_queue() after the worker finishes, and mark the buffer as VB2_BUF_STATE_ERROR if an error occurred.
References
Impacted products
Vendor Product Version
Linux Linux Version: 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d
Version: 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d
Version: 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d
Version: 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d
Version: 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d
Version: 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d
Version: 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d
Version: 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d
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{
  "containers": {
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        {
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          "product": "Linux",
          "programFiles": [
            "drivers/input/rmi4/rmi_f54.c"
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              "version": "0",
              "versionType": "semver"
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      ],
      "cpeApplicability": [
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: synaptics-rmi4 - propagate F54 worker errors to V4L2 queue\n\nPreviously, rmi_f54_buffer_queue() waited for the worker thread to\nfinish but ignored whether it succeeded. If the worker failed (e.g.,\ndue to a timeout or register read failure), the queue thread would\nsilently return success, delivering stale or uninitialized memory to\nuserspace.\n\nAdd a \u0027report_error\u0027 field to struct f54_data to store the worker\u0027s exit\nstatus. Check this field in rmi_f54_buffer_queue() after the worker\nfinishes, and mark the buffer as VB2_BUF_STATE_ERROR if an error\noccurred."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-26T14:37:30.152Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/305c24ee25b6e08ac9f4c5f697e823cc638c38da"
        },
        {
          "url": "https://git.kernel.org/stable/c/7d33b752e0df385b285492b74699fc73b6becdfb"
        },
        {
          "url": "https://git.kernel.org/stable/c/be56730b547737151f24357d832b04aaa93755d5"
        },
        {
          "url": "https://git.kernel.org/stable/c/2b0403fb7e28f65883cd03814b62c9aa9bc7f04d"
        },
        {
          "url": "https://git.kernel.org/stable/c/6741a8c21d98088b7f2d9f4f86a706d311ce34a2"
        },
        {
          "url": "https://git.kernel.org/stable/c/70f9aad3943559af6f32cb303744f35c05ce9cf1"
        },
        {
          "url": "https://git.kernel.org/stable/c/9bbd3682f8a3e064271547133c37fcb17668d860"
        },
        {
          "url": "https://git.kernel.org/stable/c/8786d74bf50e6797b6f655eb381ef6b25451161f"
        }
      ],
      "title": "Input: synaptics-rmi4 - propagate F54 worker errors to V4L2 queue",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80567",
    "datePublished": "2026-08-26T14:37:30.152Z",
    "dateReserved": "2026-08-26T14:34:25.768Z",
    "dateUpdated": "2026-08-26T14:37:30.152Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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