{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54264",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:44.517Z",
        "datePublished": "2025-12-30T12:15:56.893Z",
        "dateUpdated": "2026-05-11T19:58:36.713Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:58:36.713Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/sysv: Null check to prevent null-ptr-deref bug\n\nsb_getblk(inode->i_sb, parent) return a null ptr and taking lock on\nthat leads to the null-ptr-deref bug."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/sysv/itree.c"
                    ],
                    "versions": [
                        {
                            "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
                            "lessThan": "e976988bc245ec3768cc0f76bed7d05488a7dd0f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
                            "lessThan": "baa60c66a310c50785289b0ede6fdce8ec3219c7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
                            "lessThan": "0a44ceba77c3267f8505dda102a59367dc24caee",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
                            "lessThan": "7f740bc696d4617f8ee44565e8ac0d36278a1e91",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
                            "lessThan": "afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
                            "lessThan": "1416eebaad80bdc85ad9f97f27242011b031e2a9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
                            "lessThan": "e28f376dd8dfcc4e880ac101184132bc08703f6e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
                            "lessThan": "ea2b62f305893992156a798f665847e0663c9f41",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/sysv/itree.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.322",
                            "lessThanOrEqual": "4.14.*",
                            "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": "5.10.190",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.126",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.45",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.10",
                            "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": "2.6.19",
                                    "versionEndExcluding": "4.14.322"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "4.19.291"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "5.4.253"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "5.10.190"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "5.15.126"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "6.1.45"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "6.4.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e976988bc245ec3768cc0f76bed7d05488a7dd0f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/baa60c66a310c50785289b0ede6fdce8ec3219c7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0a44ceba77c3267f8505dda102a59367dc24caee"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7f740bc696d4617f8ee44565e8ac0d36278a1e91"
                },
                {
                    "url": "https://git.kernel.org/stable/c/afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1416eebaad80bdc85ad9f97f27242011b031e2a9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e28f376dd8dfcc4e880ac101184132bc08703f6e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ea2b62f305893992156a798f665847e0663c9f41"
                }
            ],
            "title": "fs/sysv: Null check to prevent null-ptr-deref bug",
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                "engine": "bippy-1.2.0"
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        }
    }
}