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        "STATE": "PUBLIC"
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    "description": {
        "description_data": [
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                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: custom_method: fix potential use-after-free issue\n\nIn cm_write(), buf is always freed when reaching the end of the\nfunction.  If the requested count is less than table.length, the\nallocated buffer will be freed but subsequent calls to cm_write() will\nstill try to access it.\n\nRemove the unconditional kfree(buf) at the end of the function and\nset the buf to NULL in the -EINVAL error path to match the rest of\nfunction."
            }
        ]
    },
    "problemtype": {
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                        "value": "n/a"
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                                            "version_value": "8b04d57f30ca"
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                                            "version_name": "35b88a10535e",
                                            "version_value": "90575d1d9311"
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                                        {
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                                            "version_name": "e4467fb6ef54",
                                            "version_value": "a5b26a2e362f"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "03d1571d9513",
                                            "version_value": "72814a94c38a"
                                        },
                                        {
                                            "version_value": "not down converted",
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                                                    {
                                                        "version": "5.4",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.4",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
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                                                    {
                                                        "version": "4.4.269",
                                                        "lessThanOrEqual": "4.4.*",
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                                                    {
                                                        "version": "4.9.269",
                                                        "lessThanOrEqual": "4.9.*",
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                                                    {
                                                        "version": "4.14.233",
                                                        "lessThanOrEqual": "4.14.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.19.191",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
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                                                        "lessThanOrEqual": "5.4.*",
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                                                        "lessThanOrEqual": "5.10.*",
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                                                    {
                                                        "version": "5.11.20",
                                                        "lessThanOrEqual": "5.11.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.12.3",
                                                        "lessThanOrEqual": "5.12.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.13",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
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                                                "defaultStatus": "affected"
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