{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54268",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:44.518Z",
        "datePublished": "2025-12-30T12:15:59.598Z",
        "dateUpdated": "2026-05-11T19:58:41.304Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:58:41.304Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndebugobjects: Don't wake up kswapd from fill_pool()\n\nsyzbot is reporting a lockdep warning in fill_pool() because the allocation\nfrom debugobjects is using GFP_ATOMIC, which is (__GFP_HIGH | __GFP_KSWAPD_RECLAIM)\nand therefore tries to wake up kswapd, which acquires kswapd_wait::lock.\n\nSince fill_pool() might be called with arbitrary locks held, fill_pool()\nshould not assume that acquiring kswapd_wait::lock is safe.\n\nUse __GFP_HIGH instead and remove __GFP_NORETRY as it is pointless for\n!__GFP_DIRECT_RECLAIM allocation."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "lib/debugobjects.c"
                    ],
                    "versions": [
                        {
                            "version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872",
                            "lessThan": "be646802b3dc408c4dc72a3ac32c3f4a0282414d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872",
                            "lessThan": "fd673079749bac97bb30f1461df079e6c8e86511",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872",
                            "lessThan": "aee97eec77029270866c704f66cdf2881cbd2fe1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872",
                            "lessThan": "d7fff52c99d52f180d8bef95d8ed8fec6343889c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872",
                            "lessThan": "4c088d30a72d9b8f9c6ae9362222942e4075cb00",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872",
                            "lessThan": "eb799279fb1f9c63c520fe8c1c41cb9154252db6",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "lib/debugobjects.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.26",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.26",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.244",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.181",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.114",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.31",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.5",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4",
                            "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": "2.6.26",
                                    "versionEndExcluding": "5.4.244"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "5.10.181"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "5.15.114"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "6.1.31"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "6.3.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "6.4"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/be646802b3dc408c4dc72a3ac32c3f4a0282414d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fd673079749bac97bb30f1461df079e6c8e86511"
                },
                {
                    "url": "https://git.kernel.org/stable/c/aee97eec77029270866c704f66cdf2881cbd2fe1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d7fff52c99d52f180d8bef95d8ed8fec6343889c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4c088d30a72d9b8f9c6ae9362222942e4075cb00"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eb799279fb1f9c63c520fe8c1c41cb9154252db6"
                }
            ],
            "title": "debugobjects: Don't wake up kswapd from fill_pool()",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}