{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43200",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:55.992Z",
        "datePublished": "2026-05-06T11:28:06.904Z",
        "dateUpdated": "2026-05-11T22:19:49.591Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:19:49.591Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/pci/endpoint/pci-ep-cfs.c"
                    ],
                    "versions": [
                        {
                            "version": "e85a2d7837622bd99c96f5bbc7f972da90c285a2",
                            "lessThan": "58686bf62cb38b92e4b28408162a5703775b4d12",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e85a2d7837622bd99c96f5bbc7f972da90c285a2",
                            "lessThan": "1c96c1acef4b4a1108fc13f84a8ac0b0633bbb46",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e85a2d7837622bd99c96f5bbc7f972da90c285a2",
                            "lessThan": "142b1bba3299264b76ed8ef53cd93b2b2af65d6c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e85a2d7837622bd99c96f5bbc7f972da90c285a2",
                            "lessThan": "339191811e6fc4559c4008c5af7a91b05086d596",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e85a2d7837622bd99c96f5bbc7f972da90c285a2",
                            "lessThan": "733cbc3aa97e71cc70847e75c925b364cc9b04a6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e85a2d7837622bd99c96f5bbc7f972da90c285a2",
                            "lessThan": "aefc0e0bd20f54abe3b501b8798c0be656af272b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e85a2d7837622bd99c96f5bbc7f972da90c285a2",
                            "lessThan": "8754dd7639ab0fd68c3ab9d91c7bdecc3e5740a8",
                            "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/pci/endpoint/pci-ep-cfs.c"
                    ],
                    "versions": [
                        {
                            "version": "5.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.202",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.165",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.128",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.75",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.16",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.6",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "5.15.202"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.1.165"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.6.128"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.12.75"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.18.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.19.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/58686bf62cb38b92e4b28408162a5703775b4d12"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1c96c1acef4b4a1108fc13f84a8ac0b0633bbb46"
                },
                {
                    "url": "https://git.kernel.org/stable/c/142b1bba3299264b76ed8ef53cd93b2b2af65d6c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/339191811e6fc4559c4008c5af7a91b05086d596"
                },
                {
                    "url": "https://git.kernel.org/stable/c/733cbc3aa97e71cc70847e75c925b364cc9b04a6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/aefc0e0bd20f54abe3b501b8798c0be656af272b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8754dd7639ab0fd68c3ab9d91c7bdecc3e5740a8"
                }
            ],
            "title": "PCI: endpoint: Fix swapped parameters in pci_{primary/secondary}_epc_epf_unlink() functions",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}