{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-31559",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-03-09T15:48:24.116Z",
        "datePublished": "2026-04-24T14:35:41.961Z",
        "dateUpdated": "2026-05-23T16:05:21.935Z"
    },
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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                "dateUpdated": "2026-05-23T16:05:21.935Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Fix missing NULL checks for kstrdup()\n\n1. Replace \"of_find_node_by_path(\"/\")\" with \"of_root\" to avoid multiple\ncalls to \"of_node_put()\".\n\n2. Fix a potential kernel oops during early boot when memory allocation\nfails while parsing CPU model from device tree."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/loongarch/kernel/env.c"
                    ],
                    "versions": [
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                            "version": "facc69f43502c135c16b97d5ded7253f15597912",
                            "lessThan": "5e7fde2c551f86e6c3de3fd7a9b1f52806ac8db0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "a1da957c25cf751a2dce8fb7777f82ccbac0cb3e",
                            "status": "affected",
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                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "620805dc674eab3055543496a7ef25beb9ffd2a8",
                            "status": "affected",
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                        {
                            "version": "8dfeedf9eceadc1a2fc9066b4c5230690d1cad48",
                            "status": "affected",
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                        },
                        {
                            "version": "6.12.43",
                            "lessThan": "6.12.80",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15.11",
                            "lessThan": "6.16",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16.2",
                            "lessThan": "6.17",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
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                    ],
                    "versions": [
                        {
                            "version": "6.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.17",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.80",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.21",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.11",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
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                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12.43",
                                    "versionEndExcluding": "6.12.80"
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                                    "versionStartIncluding": "6.15.11"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.16.2"
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/5e7fde2c551f86e6c3de3fd7a9b1f52806ac8db0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a1da957c25cf751a2dce8fb7777f82ccbac0cb3e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b61a309743322fb57fb9afa9aa3495ac758e4f5e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3a28daa9b7d7c2ddf2c722e9e95d7e0928bf0cd1"
                }
            ],
            "title": "LoongArch: Fix missing NULL checks for kstrdup()",
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