FKIE_CVE-2025-40185

Vulnerability from fkie_nvd - Published: 2025-11-12 22:15 - Updated: 2026-04-15 00:35
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ice: ice_adapter: release xa entry on adapter allocation failure When ice_adapter_new() fails, the reserved XArray entry created by xa_insert() is not released. This causes subsequent insertions at the same index to return -EBUSY, potentially leading to NULL pointer dereferences. Reorder the operations as suggested by Przemek Kitszel: 1. Check if adapter already exists (xa_load) 2. Reserve the XArray slot (xa_reserve) 3. Allocate the adapter (ice_adapter_new) 4. Store the adapter (xa_store)
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2db687f3469dbc5c59bc53d55acafd75d530b497
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/794abb265de3e792167fe3ea0440c064c722bb84
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7b9269de9815fc34d93dab90bd5169bacbe78e70
Impacted products
Vendor Product Version
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: ice_adapter: release xa entry on adapter allocation failure\n\nWhen ice_adapter_new() fails, the reserved XArray entry created by\nxa_insert() is not released. This causes subsequent insertions at\nthe same index to return -EBUSY, potentially leading to\nNULL pointer dereferences.\n\nReorder the operations as suggested by Przemek Kitszel:\n1. Check if adapter already exists (xa_load)\n2. Reserve the XArray slot (xa_reserve)\n3. Allocate the adapter (ice_adapter_new)\n4. Store the adapter (xa_store)"
    }
  ],
  "id": "CVE-2025-40185",
  "lastModified": "2026-04-15T00:35:42.020",
  "metrics": {},
  "published": "2025-11-12T22:15:45.320",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2db687f3469dbc5c59bc53d55acafd75d530b497"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/794abb265de3e792167fe3ea0440c064c722bb84"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7b9269de9815fc34d93dab90bd5169bacbe78e70"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


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