{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-90134",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.788Z",
        "datePublished": "2026-09-17T16:06:33.888Z",
        "dateUpdated": "2026-10-19T08:58:32.441Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:58:32.441Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: fix kmap_local_page() usage in compress\n\nSeveral compressed I/O paths discard the address returned by\nkmap_local_page() and later access or unmap the page using page_address().\nThis is invalid for highmem pages, and local mappings must also be unmapped\nusing the address returned by kmap_local_page().\n\nMap each destination page in ntfs_decompress() only while producing the\ncurrent sub-block. Use memcpy_from_page(), memcpy_to_page(), and\nmemzero_page() for the other page accesses. Remove unnecessary local\nmappings from ntfs_write_cb(), where pages are accessed through the vmap()\nmapping."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ntfs/compress.c"
                    ],
                    "versions": [
                        {
                            "version": "495e90fa334828d4119061e2726af51d0a0fb4ed",
                            "lessThan": "950e2ecc7aec21af24b05bc661a097a81c670409",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "495e90fa334828d4119061e2726af51d0a0fb4ed",
                            "lessThan": "6e03fbd5f772ad24ea64f7632e4d0d73184787ca",
                            "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/ntfs/compress.c"
                    ],
                    "versions": [
                        {
                            "version": "7.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "7.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "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": "7.1",
                                    "versionEndExcluding": "7.2.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "7.1",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/950e2ecc7aec21af24b05bc661a097a81c670409"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6e03fbd5f772ad24ea64f7632e4d0d73184787ca"
                }
            ],
            "title": "ntfs: fix kmap_local_page() usage in compress",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}