PCI: endpoint: Fix configfs group list head handling

{
  "id": "748e194da19085d8a2bca5fd6621850a3f30236bf5e6543ba8e7b55c20da4f41",
  "url": "https://osv.dev/vulnerability/CVE-2025-39783",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "PCI: endpoint: Fix configfs group list head handling",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Fix configfs group list head handling Doing a list_del() on the epf_group field of struct pci_epf_driver in pci_epf_remove_cfs() is not correct as this field is a list head, not a list entry. This list_del() call triggers a KASAN warning when an endpoint function driver which has a configfs attribute group is torn down: ================================================================== BUG: KASAN: slab-use-after-free in pci_epf_remove_cfs+0x17c/0x198 Write of size 8 at addr ffff00010f4a0d80 by task rmmod/319 CPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE Hardware name: Radxa ROCK 5B (DT) Call trace: show_stack+0x2c/0x84 (C) dump_stack_lvl+0x70/0x98 print_report+0x17c/0x538 kasan_report+0xb8/0x190 __asan_report_store8_noabort+0x20/0x2c pci_epf_remove_cfs+0x17c/0x198 pci_epf_unregister_driver+0x18/0x30 nvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf] __arm64_sys_delete_module+0x264/0x424 invoke_syscall+0x70/0x260 el0_svc_common.constprop.0+0xac/0x230 do_el0_svc+0x40/0x58 el0_svc+0x48/0xdc el0t_64_sync_handler+0x10c/0x138 el0t_64_sync+0x198/0x19c ... Remove this incorrect list_del() call from pci_epf_remove_cfs().",
    "evidence": "osv:CVE-2025-39783",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.297",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.241",
            "evidence": "/affected/1/ranges"
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            "evidence": "/affected/1/ranges"
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            "value": "6.12.44",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.16.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-39783",
      "aliases": [
        "CVE-2025-39783"
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                {
                  "fixed": "dc4ffbd571716ff3b171418fb03abe80e720a7b1"
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                {
                  "fixed": "409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2"
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                {
                  "fixed": "0758862386f114d9ab1e23181461bd1e2e9ec4c6"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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      ],
      "modified": "2026-10-28T02:30:53.159758878Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-032379.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-082556.html",
        "https://git.kernel.org/stable/c/0758862386f114d9ab1e23181461bd1e2e9ec4c6",
        "https://git.kernel.org/stable/c/409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2",
        "https://git.kernel.org/stable/c/6cf65505523224cab1449d726d2ce8180c2941ee",
        "https://git.kernel.org/stable/c/80ea6e6904fb2ba4ccb5d909579988466ec65358",
        "https://git.kernel.org/stable/c/a302bd89db35d8b7e279de4d2b41c16c7f191069",
        "https://git.kernel.org/stable/c/d5aecddc3452371d9da82cdbb0c715812524b54b",
        "https://git.kernel.org/stable/c/d79123d79a8154b4318529b7b2ff7e15806f480b",
        "https://git.kernel.org/stable/c/dc4ffbd571716ff3b171418fb03abe80e720a7b1",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39783.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-39783",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39783.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-39783",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 522255,
  "published_at": "2025-09-11T16:56:33.376+00:00"
}