cvelist/2023/52xxx/CVE-2023-52940.json

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    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-52940",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: multi-gen LRU: fix crash during cgroup migration\n\nlru_gen_migrate_mm() assumes lru_gen_add_mm() runs prior to itself.  This\nisn't true for the following scenario:\n\n    CPU 1                         CPU 2\n\n  clone()\n    cgroup_can_fork()\n                                cgroup_procs_write()\n    cgroup_post_fork()\n                                  task_lock()\n                                  lru_gen_migrate_mm()\n                                  task_unlock()\n    task_lock()\n    lru_gen_add_mm()\n    task_unlock()\n\nAnd when the above happens, kernel crashes because of linked list\ncorruption (mm_struct->lru_gen.list)."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "bd74fdaea146029e4fa12c6de89adbe0779348a9",
                                            "version_value": "04448022311cebd30969d3aebdde765f1258b360"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.1",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.1",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.11",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.2",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
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            ]
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    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/04448022311cebd30969d3aebdde765f1258b360",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/04448022311cebd30969d3aebdde765f1258b360"
            },
            {
                "url": "https://git.kernel.org/stable/c/de08eaa6156405f2e9369f06ba5afae0e4ab3b62",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/de08eaa6156405f2e9369f06ba5afae0e4ab3b62"
            }
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