{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-38069",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T04:51:23.980Z",
        "datePublished": "2025-06-18T09:33:46.711Z",
        "dateUpdated": "2026-05-11T21:20:40.239Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:20:40.239Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: pci-epf-test: Fix double free that causes kernel to oops\n\nFix a kernel oops found while testing the stm32_pcie Endpoint driver\nwith handling of PERST# deassertion:\n\nDuring EP initialization, pci_epf_test_alloc_space() allocates all BARs,\nwhich are further freed if epc_set_bar() fails (for instance, due to no\nfree inbound window).\n\nHowever, when pci_epc_set_bar() fails, the error path:\n\n  pci_epc_set_bar() ->\n    pci_epf_free_space()\n\ndoes not clear the previous assignment to epf_test->reg[bar].\n\nThen, if the host reboots, the PERST# deassertion restarts the BAR\nallocation sequence with the same allocation failure (no free inbound\nwindow), creating a double free situation since epf_test->reg[bar] was\ndeallocated and is still non-NULL.\n\nThus, make sure that pci_epf_alloc_space() and pci_epf_free_space()\ninvocations are symmetric, and as such, set epf_test->reg[bar] to NULL\nwhen memory is freed.\n\n[kwilczynski: commit log]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/pci/endpoint/functions/pci-epf-test.c"
                    ],
                    "versions": [
                        {
                            "version": "349e7a85b25fa6ee82902d9be2cc5f3bec815120",
                            "lessThan": "fe2329eff5bee461ebcafadb6ca1df0cbf5945fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "349e7a85b25fa6ee82902d9be2cc5f3bec815120",
                            "lessThan": "8b83893d1f6c6061a7d58169ecdf9d5ee9f306ee",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "349e7a85b25fa6ee82902d9be2cc5f3bec815120",
                            "lessThan": "934e9d137d937706004c325fa1474f9e3f1ba10a",
                            "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/functions/pci-epf-test.c"
                    ],
                    "versions": [
                        {
                            "version": "4.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.31",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.9",
                            "lessThanOrEqual": "6.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15",
                            "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": "4.12",
                                    "versionEndExcluding": "6.12.31"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "6.14.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "6.15"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/fe2329eff5bee461ebcafadb6ca1df0cbf5945fd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8b83893d1f6c6061a7d58169ecdf9d5ee9f306ee"
                },
                {
                    "url": "https://git.kernel.org/stable/c/934e9d137d937706004c325fa1474f9e3f1ba10a"
                }
            ],
            "title": "PCI: endpoint: pci-epf-test: Fix double free that causes kernel to oops",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}