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  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89853.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix FCE trace use-after-free during firmware dump\n\nqla2x00_free_fce_trace() freed and cleared ha-\u003efce while holding only\nfce_mutex. The firmware-dump consumers qla27xx_fwdt_entry_t264() and\nqla25xx_copy_fce() read ha-\u003efce (NULL check followed by a copy of the\nbuffer) under hardware_lock and never take fce_mutex. A debugfs FCE\ndisable could therefore free the DMA buffer between a dump's NULL check\nand its copy, resulting in a use-after-free.\n\nUnpublish ha-\u003efce under hardware_lock, then release the lock and free\nthe DMA buffer (dma_free_coherent() may sleep). A concurrent dump either\ncompletes its check and copy with the buffer still valid, or observes\nha-\u003efce == NULL and skips it.",
  "id": "CVE-2026-89853",
  "modified": "2026-09-18T03:30:30.610648030Z",
  "published": "2026-09-16T10:31:27.008Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/41ef7edde27ac87d55ffc703da44e78aa8c2e896"
    },
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      "url": "https://git.kernel.org/stable/c/423487f03e325b8665d20a2a3171fe012b1a4fa9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/53298efcbbb0f0438366d45cb7ed7e6d93dd5531"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6003e79148eca73d7cafb076f5be47e234d543d0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7bd308cd893e8cce023d03a40a2f0adccaff0175"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8e7a26931b6111583cfeaf49c068f26524dc3af2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/edc464a4fc96e2720d166e7cc7e7a6827b086760"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ef9b89f6c92274c3670403fd06130ca25f685050"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89853.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89853"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "scsi: qla2xxx: Fix FCE trace use-after-free during firmware dump"
}