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            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix potential oob read in nilfs_btree_check_delete()\n\nThe function nilfs_btree_check_delete(), which checks whether degeneration\nto direct mapping occurs before deleting a b-tree entry, causes memory\naccess outside the block buffer when retrieving the maximum key if the\nroot node has no entries.\n\nThis does not usually happen because b-tree mappings with 0 child nodes\nare never created by mkfs.nilfs2 or nilfs2 itself.  However, it can happen\nif the b-tree root node read from a device is configured that way, so fix\nthis potential issue by adding a check for that case."
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        ]
    },
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        "problemtype_data": [
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                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
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                    "product": {
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                                            "version_value": "d20674f31626"
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                                                        "version": "2.6.30",
                                                        "status": "affected"
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                                                    {
                                                        "version": "0",
                                                        "lessThan": "2.6.30",
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                                                        "version": "5.10.227",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
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                                                        "version": "5.15.168",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
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                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
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                                                        "version": "6.6.54",
                                                        "lessThanOrEqual": "6.6.*",
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