{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2024-48881",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-01-09T09:50:31.739Z",
        "datePublished": "2025-01-11T12:25:18.614Z",
        "dateUpdated": "2026-05-23T15:53:54.293Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:53:54.293Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbcache: revert replacing IS_ERR_OR_NULL with IS_ERR again\n\nCommit 028ddcac477b (\"bcache: Remove unnecessary NULL point check in\nnode allocations\") leads a NULL pointer deference in cache_set_flush().\n\n1721         if (!IS_ERR_OR_NULL(c->root))\n1722                 list_add(&c->root->list, &c->btree_cache);\n\n>From the above code in cache_set_flush(), if previous registration code\nfails before allocating c->root, it is possible c->root is NULL as what\nit is initialized. __bch_btree_node_alloc() never returns NULL but\nc->root is possible to be NULL at above line 1721.\n\nThis patch replaces IS_ERR() by IS_ERR_OR_NULL() to fix this."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/bcache/super.c"
                    ],
                    "versions": [
                        {
                            "version": "0729029e647234fa1a94376b6edffec5c2cd75f6",
                            "lessThan": "4379c5828492a4c2a651c8f826a01453bd2b80b0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "db9439cef0b5efccf8021fe89f4953e0f901e85b",
                            "lessThan": "336e30f32ae7c043fde0f6fa21586ff30bea9fe2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "991e9c186a8ac6ab272a86e0ddc6f9733c38b867",
                            "lessThan": "fb5fee35bdd18316a84b5f30881a24e1415e1464",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "68118c339c6e1e16ae017bef160dbe28a27ae9c8",
                            "lessThan": "5202391970ffbf81975251b3526b890ba027b715",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "028ddcac477b691dd9205c92f991cc15259d033e",
                            "lessThan": "cc05aa2c0117e20fa25a3c0d915f98b8f2e78667",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "028ddcac477b691dd9205c92f991cc15259d033e",
                            "lessThan": "5e0e913624bcd24f3de414475018d3023f060ee1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "028ddcac477b691dd9205c92f991cc15259d033e",
                            "lessThan": "b2e382ae12a63560fca35050498e19e760adf8c0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fe75e8a0c20127a8dc95704f1a7ad6b82c9a0ef8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0cabf9e164660e8d66c4810396046383a1110a69",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.4.251",
                            "lessThan": "5.4.287",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.188",
                            "lessThan": "5.10.231",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.121",
                            "lessThan": "5.15.174",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.39",
                            "lessThan": "6.1.120",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.291",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.4",
                            "lessThan": "6.5",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/bcache/super.c"
                    ],
                    "versions": [
                        {
                            "version": "6.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.287",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.231",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.174",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.120",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.66",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.5",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13",
                            "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": "5.4.251",
                                    "versionEndExcluding": "5.4.287"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10.188",
                                    "versionEndExcluding": "5.10.231"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15.121",
                                    "versionEndExcluding": "5.15.174"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1.39",
                                    "versionEndExcluding": "6.1.120"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "6.6.66"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "6.12.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "6.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19.291"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4.4"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/4379c5828492a4c2a651c8f826a01453bd2b80b0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/336e30f32ae7c043fde0f6fa21586ff30bea9fe2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fb5fee35bdd18316a84b5f30881a24e1415e1464"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5202391970ffbf81975251b3526b890ba027b715"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cc05aa2c0117e20fa25a3c0d915f98b8f2e78667"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5e0e913624bcd24f3de414475018d3023f060ee1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b2e382ae12a63560fca35050498e19e760adf8c0"
                }
            ],
            "title": "bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-48881",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2025-10-01T19:55:37.185480Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-476",
                                "description": "CWE-476 NULL Pointer Dereference"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-01T19:57:21.982Z"
                }
            },
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T20:40:59.667Z"
                }
            }
        ]
    }
}