{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53861",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-09T01:27:17.829Z",
        "datePublished": "2025-12-09T01:30:29.423Z",
        "dateUpdated": "2026-05-23T15:31:31.661Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:31:31.661Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: correct grp validation in ext4_mb_good_group\n\nGroup corruption check will access memory of grp and will trigger kernel\ncrash if grp is NULL. So do NULL check before corruption check."
                }
            ],
            "affected": [
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ext4/mballoc.c"
                    ],
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                        {
                            "version": "100c0ad6c04597fefeaaba2bb1827cc015d95067",
                            "lessThan": "245759d987b617d183061db6ab8886ebb5cc78e9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b4319e457d6e3fb33e443efeaf4634fc36e8a9ed",
                            "lessThan": "772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5354b2af34064a4579be8bc0e2f15a7b70f14b5f",
                            "lessThan": "83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "e69d665987db0e37896adf78a7e718f9a0a75d3f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5354b2af34064a4579be8bc0e2f15a7b70f14b5f",
                            "lessThan": "a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "31668cebf45adfb6283e465e641c4f5a21b07afa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.181",
                            "lessThan": "5.10.195",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.113",
                            "lessThan": "5.15.132",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.30",
                            "lessThan": "6.1.53",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.4",
                            "lessThan": "6.4",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ext4/mballoc.c"
                    ],
                    "versions": [
                        {
                            "version": "6.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.195",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.132",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.53",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.16",
                            "lessThanOrEqual": "6.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5.3",
                            "lessThanOrEqual": "6.5.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.6"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3.4"
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                            ]
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/245759d987b617d183061db6ab8886ebb5cc78e9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3e24082f16825279054a2b8a5e668d65070bbf07"
                },
                {
                    "url": "https://git.kernel.org/stable/c/772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e69d665987db0e37896adf78a7e718f9a0a75d3f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93"
                }
            ],
            "title": "ext4: correct grp validation in ext4_mb_good_group",
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}