{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-71119",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:30:19.654Z",
        "datePublished": "2026-01-14T15:06:06.536Z",
        "dateUpdated": "2026-05-23T16:03:13.930Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T16:03:13.930Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/kexec: Enable SMT before waking offline CPUs\n\nIf SMT is disabled or a partial SMT state is enabled, when a new kernel\nimage is loaded for kexec, on reboot the following warning is observed:\n\nkexec: Waking offline cpu 228.\nWARNING: CPU: 0 PID: 9062 at arch/powerpc/kexec/core_64.c:223 kexec_prepare_cpus+0x1b0/0x1bc\n[snip]\n NIP kexec_prepare_cpus+0x1b0/0x1bc\n LR  kexec_prepare_cpus+0x1a0/0x1bc\n Call Trace:\n  kexec_prepare_cpus+0x1a0/0x1bc (unreliable)\n  default_machine_kexec+0x160/0x19c\n  machine_kexec+0x80/0x88\n  kernel_kexec+0xd0/0x118\n  __do_sys_reboot+0x210/0x2c4\n  system_call_exception+0x124/0x320\n  system_call_vectored_common+0x15c/0x2ec\n\nThis occurs as add_cpu() fails due to cpu_bootable() returning false for\nCPUs that fail the cpu_smt_thread_allowed() check or non primary\nthreads if SMT is disabled.\n\nFix the issue by enabling SMT and resetting the number of SMT threads to\nthe number of threads per core, before attempting to wake up all present\nCPUs."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/powerpc/kexec/core_64.c"
                    ],
                    "versions": [
                        {
                            "version": "482fa21635c8832db022cd2d649db26b8e6170ac",
                            "lessThan": "7cccd82a0e4aad192fd74fc60e61ed9aed5857a3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38253464bc821d6de6bba81bb1412ebb36f6cbd1",
                            "lessThan": "d790ef0c4819424ee0c2f448c0a8154c5ca369d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38253464bc821d6de6bba81bb1412ebb36f6cbd1",
                            "lessThan": "f0c0a681ffb77b8c5290c88c02d968199663939b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38253464bc821d6de6bba81bb1412ebb36f6cbd1",
                            "lessThan": "0d5c9e901ad40bd39b38e119c0454b52d7663930",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38253464bc821d6de6bba81bb1412ebb36f6cbd1",
                            "lessThan": "c2296a1e42418556efbeb5636c4fa6aa6106713a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "15141adf85b14a7cff7abba1cb983f0bf17e3b36",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.1.72",
                            "lessThan": "6.1.160",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5.12",
                            "lessThan": "6.6",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/powerpc/kexec/core_64.c"
                    ],
                    "versions": [
                        {
                            "version": "6.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.160",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.120",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.64",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.3",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "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": "6.1.72",
                                    "versionEndExcluding": "6.1.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.6.120"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.12.64"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.18.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5.12"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7cccd82a0e4aad192fd74fc60e61ed9aed5857a3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d790ef0c4819424ee0c2f448c0a8154c5ca369d1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f0c0a681ffb77b8c5290c88c02d968199663939b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0d5c9e901ad40bd39b38e119c0454b52d7663930"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c2296a1e42418556efbeb5636c4fa6aa6106713a"
                }
            ],
            "title": "powerpc/kexec: Enable SMT before waking offline CPUs",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}