{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-58093",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-58093"
  ],
  "published": "2025-04-16T14:14:59Z",
  "summary": "PCI/ASPM: Fix link state exit during switch upstream function removal",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI/ASPM: Fix link state exit during switch upstream function removal\n\nBefore 456d8aa37d0f (\"PCI/ASPM: Disable ASPM on MFD function removal to\navoid use-after-free\"), we would free the ASPM link only after the last\nfunction on the bus pertaining to the given link was removed.\n\nThat was too late. If function 0 is removed before sibling function,\nlink->downstream would point to free'd memory after.\n\nAfter above change, we freed the ASPM parent link state upon any function\nremoval on the bus pertaining to a given link.\n\nThat is too early. If the link is to a PCIe switch with MFD on the upstream\nport, then removing functions other than 0 first would free a link which\nstill remains parent_link to the remaining downstream ports.\n\nThe resulting GPFs are especially frequent during hot-unplug, because\npciehp removes devices on the link bus in reverse order.\n\nOn that switch, function 0 is the virtual P2P bridge to the internal bus.\nFree exactly when function 0 is removed -- before the parent link is\nobsolete, but after all subordinate links are gone.\n\n[kwilczynski: commit log]",
  "affected": [
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        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
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        "1:6.1.63-1+rpt1",
        "1:6.1.73-1+rpt1",
        "1:6.6.20-1+rpt1",
        "1:6.6.28-1+rpt1",
        "1:6.6.31-1+rpt1",
        "1:6.6.47-1+rpt1",
        "1:6.6.51-1+rpt1",
        "1:6.6.51-1+rpt2",
        "1:6.6.51-1+rpt3",
        "1:6.6.62-1+rpt1",
        "1:6.6.74-1+rpt1",
        "1:6.12.20-1+rpt1~bpo12+1"
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-58093"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0a0f9aecf66b98959aab7fb5764b4b3e522f4f5b"
    },
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      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/62db339ecc3d58d8fd83a9e4d80061cd943bb6e2"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e5cd58f61e9d8024ee11bd78c12c8916891d4077"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/cd4b07507794f7ad1a74e12eca75121d98187e66"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8b930ddc2044e36866c41423e89889e0258695a3"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f556b6ba0ac5f8353287ce6ed761228f0b4fafb7"
    },
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      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ba4cdc14c0d4df00d3e99bff7fe545303db98183"
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      "url": "https://git.kernel.org/stable/c/4d96930239981f312821a4065db8cc0f8240a173"
    },
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      "url": "https://git.kernel.org/stable/c/cbf937dcadfd571a434f8074d057b32cd14fbea5"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-07-16T11:13:50Z"
  }
}