{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53681",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-07T15:16:59.664Z",
        "datePublished": "2025-10-07T15:21:35.315Z",
        "dateUpdated": "2026-05-11T19:49:51.739Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:49:51.739Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbcache: Fix __bch_btree_node_alloc to make the failure behavior consistent\n\nIn some specific situations, the return value of __bch_btree_node_alloc\nmay be NULL. This may lead to a potential NULL pointer dereference in\ncaller function like a calling chain :\nbtree_split->bch_btree_node_alloc->__bch_btree_node_alloc.\n\nFix it by initializing the return value in __bch_btree_node_alloc."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/bcache/btree.c"
                    ],
                    "versions": [
                        {
                            "version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060",
                            "lessThan": "587b4e8bb5dac682f09280ab35db4632b29d5ac4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060",
                            "lessThan": "b070f29a61436f6f8a2e3abc7ea4f4be81695198",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060",
                            "lessThan": "a4405f6ee03323410d7b10966fd67b35f71b1944",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060",
                            "lessThan": "f67b0e3081f2a24170280a33ac66f6b112083c03",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060",
                            "lessThan": "7ecea5ce3dc17339c280c75b58ac93d8c8620d9f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060",
                            "lessThan": "4514847aee18d9391a0cf3aad75d3567c72795a4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060",
                            "lessThan": "80fca8a10b604afad6c14213fdfd816c4eda3ee4",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/bcache/btree.c"
                    ],
                    "versions": [
                        {
                            "version": "3.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.291",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.253",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.188",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.121",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.39",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.4",
                            "lessThanOrEqual": "6.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5",
                            "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": "3.10",
                                    "versionEndExcluding": "4.19.291"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.10",
                                    "versionEndExcluding": "5.4.253"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.10",
                                    "versionEndExcluding": "5.10.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.10",
                                    "versionEndExcluding": "5.15.121"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.10",
                                    "versionEndExcluding": "6.1.39"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.10",
                                    "versionEndExcluding": "6.4.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.10",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/587b4e8bb5dac682f09280ab35db4632b29d5ac4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b070f29a61436f6f8a2e3abc7ea4f4be81695198"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a4405f6ee03323410d7b10966fd67b35f71b1944"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f67b0e3081f2a24170280a33ac66f6b112083c03"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7ecea5ce3dc17339c280c75b58ac93d8c8620d9f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4514847aee18d9391a0cf3aad75d3567c72795a4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/80fca8a10b604afad6c14213fdfd816c4eda3ee4"
                }
            ],
            "title": "bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}