{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-39965",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T07:20:57.149Z",
        "datePublished": "2025-10-13T13:48:31.033Z",
        "dateUpdated": "2026-07-30T05:58:56.506Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-30T05:58:56.506Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: xfrm_alloc_spi shouldn't use 0 as SPI\n\nx->id.spi == 0 means \"no SPI assigned\", but since commit\n94f39804d891 (\"xfrm: Duplicate SPI Handling\"), we now create states\nand add them to the byspi list with this value.\n\n__xfrm_state_delete doesn't remove those states from the byspi list,\nsince they shouldn't be there, and this shows up as a UAF the next\ntime we go through the byspi list."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 7.8,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/xfrm/xfrm_state.c"
                    ],
                    "versions": [
                        {
                            "version": "3d8090bb53424432fa788fe9a49e8ceca74f0544",
                            "lessThan": "0baf92d0b1590b903c1f4ead75e61715e50e8146",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2fc5b54368a1bf1d2d74b4d3b8eea5309a653e38",
                            "lessThan": "9fcedabaae0096f712bbb4ccca6a8538af1cd1c8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "29e9158f91f99057dbd35db5e8674d93b38549fe",
                            "lessThan": "a78e55776522373c446f18d5002a8de4b09e6bf7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "94f39804d891cffe4ce17737d295f3b195bc7299",
                            "lessThan": "cd8ae32e4e4652db55bce6b9c79267d8946765a9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c67d4e7a8f90fb6361ca89d4d5c9a28f4e935e47",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.15.11",
                            "lessThan": "6.16",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/xfrm/xfrm_state.c"
                    ],
                    "versions": [
                        {
                            "version": "6.6.103",
                            "lessThan": "6.6.109",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.43",
                            "lessThan": "6.12.50",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16.2",
                            "lessThan": "6.16.10",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6.103",
                                    "versionEndExcluding": "6.6.109"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12.43",
                                    "versionEndExcluding": "6.12.50"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.16.2",
                                    "versionEndExcluding": "6.16.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.15.11"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0baf92d0b1590b903c1f4ead75e61715e50e8146"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9fcedabaae0096f712bbb4ccca6a8538af1cd1c8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a78e55776522373c446f18d5002a8de4b09e6bf7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cd8ae32e4e4652db55bce6b9c79267d8946765a9"
                }
            ],
            "title": "xfrm: xfrm_alloc_spi shouldn't use 0 as SPI",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}