{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e85a2d7837622bd99c96f5bbc7f972da90c285a2"
            },
            {
              "fixed": "58686bf62cb38b92e4b28408162a5703775b4d12"
            },
            {
              "fixed": "1c96c1acef4b4a1108fc13f84a8ac0b0633bbb46"
            },
            {
              "fixed": "142b1bba3299264b76ed8ef53cd93b2b2af65d6c"
            },
            {
              "fixed": "339191811e6fc4559c4008c5af7a91b05086d596"
            },
            {
              "fixed": "733cbc3aa97e71cc70847e75c925b364cc9b04a6"
            },
            {
              "fixed": "aefc0e0bd20f54abe3b501b8798c0be656af272b"
            },
            {
              "fixed": "8754dd7639ab0fd68c3ab9d91c7bdecc3e5740a8"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.12.0"
            },
            {
              "fixed": "5.15.202"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.16"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43200.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix swapped parameters in pci_{primary/secondary}_epc_epf_unlink() functions\n\nstruct configfs_item_operations callbacks are defined like the following:\n\n  int (*allow_link)(struct config_item *src, struct config_item *target);\n  void (*drop_link)(struct config_item *src, struct config_item *target);\n\nWhile pci_primary_epc_epf_link() and pci_secondary_epc_epf_link() specify\nthe parameters in the correct order, pci_primary_epc_epf_unlink() and\npci_secondary_epc_epf_unlink() specify the parameters in the wrong order,\nleading to the below kernel crash when using the unlink command in\nconfigfs:\n\n  Unable to handle kernel paging request at virtual address 0000000300000857\n  Mem abort info:\n  ...\n  pc : string+0x54/0x14c\n  lr : vsnprintf+0x280/0x6e8\n  ...\n  string+0x54/0x14c\n  vsnprintf+0x280/0x6e8\n  vprintk_default+0x38/0x4c\n  vprintk+0xc4/0xe0\n  pci_epf_unbind+0xdc/0x108\n  configfs_unlink+0xe0/0x208+0x44/0x74\n  vfs_unlink+0x120/0x29c\n  __arm64_sys_unlinkat+0x3c/0x90\n  invoke_syscall+0x48/0x134\n  do_el0_svc+0x1c/0x30prop.0+0xd0/0xf0\n\n[mani: cced stable, changed commit message as per https://lore.kernel.org/linux-pci/aV9joi3jF1R6ca02@ryzen]",
  "id": "CVE-2026-43200",
  "modified": "2026-07-08T05:39:31.697559345Z",
  "published": "2026-05-06T11:28:06.904Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/142b1bba3299264b76ed8ef53cd93b2b2af65d6c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1c96c1acef4b4a1108fc13f84a8ac0b0633bbb46"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/339191811e6fc4559c4008c5af7a91b05086d596"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/58686bf62cb38b92e4b28408162a5703775b4d12"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/733cbc3aa97e71cc70847e75c925b364cc9b04a6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8754dd7639ab0fd68c3ab9d91c7bdecc3e5740a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aefc0e0bd20f54abe3b501b8798c0be656af272b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43200.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43200"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "PCI: endpoint: Fix swapped parameters in pci_{primary/secondary}_epc_epf_unlink() functions"
}