{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-31480",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-03-09T15:48:24.100Z",
        "datePublished": "2026-04-22T13:54:07.566Z",
        "dateUpdated": "2026-05-11T22:09:32.978Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:09:32.978Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix potential deadlock in cpu hotplug with osnoise\n\nThe following sequence may leads deadlock in cpu hotplug:\n\n    task1        task2        task3\n    -----        -----        -----\n\n mutex_lock(&interface_lock)\n\n            [CPU GOING OFFLINE]\n\n            cpus_write_lock();\n            osnoise_cpu_die();\n              kthread_stop(task3);\n                wait_for_completion();\n\n                      osnoise_sleep();\n                        mutex_lock(&interface_lock);\n\n cpus_read_lock();\n\n [DEAD LOCK]\n\nFix by swap the order of cpus_read_lock() and mutex_lock(&interface_lock)."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/trace/trace_osnoise.c"
                    ],
                    "versions": [
                        {
                            "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
                            "lessThan": "cf929c21eeed5bd39873fb14bfdfff963fa6f1da",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
                            "lessThan": "7aa095ce7d224308cb6979956f0de8607df93d4f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
                            "lessThan": "ef41a85a55022e27cdaebf22a6676910b66f65aa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
                            "lessThan": "03474a01c199de17a8e2d39b51df6beb9c76e831",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
                            "lessThan": "f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
                            "lessThan": "7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
                            "lessThan": "1f9885732248d22f788e4992c739a98c88ab8a55",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/trace/trace_osnoise.c"
                    ],
                    "versions": [
                        {
                            "version": "5.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.168",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.131",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.80",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.21",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.11",
                            "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": "5.14",
                                    "versionEndExcluding": "5.15.203"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.1.168"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.6.131"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.12.80"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.18.21"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.19.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/cf929c21eeed5bd39873fb14bfdfff963fa6f1da"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7aa095ce7d224308cb6979956f0de8607df93d4f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ef41a85a55022e27cdaebf22a6676910b66f65aa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/03474a01c199de17a8e2d39b51df6beb9c76e831"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1f9885732248d22f788e4992c739a98c88ab8a55"
                }
            ],
            "title": "tracing: Fix potential deadlock in cpu hotplug with osnoise",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}