{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98005",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:19:56.068Z",
        "datePublished": "2026-09-25T10:23:31.722Z",
        "dateUpdated": "2026-10-19T09:12:10.872Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:12:10.872Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: delimit inode_share cache key components\n\nPreviously, inode_share keys were encoded as follows:\n\n  fingerprint || domain_id\n\nIt would be better to have a separator between the fingerprint and domain\nID so that the fingerprint won't be parsed as part of a domain ID.\n\nChange the key encoding as follows:\n\n  domain_id || '\\0' || fingerprint\n\nSince domain_id is a NUL-terminated string, this makes the in-memory key\nindices unambiguous."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/erofs/xattr.c"
                    ],
                    "versions": [
                        {
                            "version": "e0bf7d1c074dc4252223ae897560345ccc24100d",
                            "lessThan": "16322a67336cfeea0af4b05206ef8d0e0eda55bb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e0bf7d1c074dc4252223ae897560345ccc24100d",
                            "lessThan": "96bf9831fbf423b8104f7948cd8fe7007ecfb46c",
                            "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/erofs/xattr.c"
                    ],
                    "versions": [
                        {
                            "version": "7.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "7.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "7.0",
                                    "versionEndExcluding": "7.2.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "7.0",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/16322a67336cfeea0af4b05206ef8d0e0eda55bb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/96bf9831fbf423b8104f7948cd8fe7007ecfb46c"
                }
            ],
            "title": "erofs: delimit inode_share cache key components",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}