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CVE-2023-53504 RDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF

🗓️ 01 Oct 2025 11:45:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Fixed deallocation order so ib_dealloc_device runs after device cleanup to prevent use after free.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/infiniband/hw/bnxt_re/main.c"
    ],
    "versions": [
      {
        "version": "6d758147c7b80a46465f72e9e6294d244ee98a21",
        "lessThan": "c95863f6d970ef968e7c1f3c481f72a4b0734654",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6d758147c7b80a46465f72e9e6294d244ee98a21",
        "lessThan": "5363fc488da579923edf6a2fdca3d3b651dd800b",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/infiniband/hw/bnxt_re/main.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4.11",
        "lessThanOrEqual": "6.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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