{"api_version":"1","generated_at":"2026-10-21T14:16:55+00:00","cve":"CVE-2026-90134","urls":{"html":"https://cve.report/CVE-2026-90134","api":"https://cve.report/api/cve/CVE-2026-90134.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90134","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90134"},"summary":{"title":"ntfs: fix kmap_local_page() usage in compress","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:05","updated_at":"2026-10-19 09:19:03"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/950e2ecc7aec21af24b05bc661a097a81c670409","name":"https://git.kernel.org/stable/c/950e2ecc7aec21af24b05bc661a097a81c670409","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6e03fbd5f772ad24ea64f7632e4d0d73184787ca","name":"https://git.kernel.org/stable/c/6e03fbd5f772ad24ea64f7632e4d0d73184787ca","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90134","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90134","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 495e90fa334828d4119061e2726af51d0a0fb4ed 950e2ecc7aec21af24b05bc661a097a81c670409 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 495e90fa334828d4119061e2726af51d0a0fb4ed 6e03fbd5f772ad24ea64f7632e4d0d73184787ca git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ntfs/compress.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"950e2ecc7aec21af24b05bc661a097a81c670409","status":"affected","version":"495e90fa334828d4119061e2726af51d0a0fb4ed","versionType":"git"},{"lessThan":"6e03fbd5f772ad24ea64f7632e4d0d73184787ca","status":"affected","version":"495e90fa334828d4119061e2726af51d0a0fb4ed","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ntfs/compress.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"7.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"7.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-10-19T08:58:32.441Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90134","datePublished":"2026-09-17T16:06:33.888Z","dateReserved":"2026-09-11T19:38:34.788Z","dateUpdated":"2026-10-19T08:58:32.441Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:05","lastModifiedDate":"2026-10-19 09:19:03","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90134","Ordinal":"1","Title":"ntfs: fix kmap_local_page() usage in compress","CVE":"CVE-2026-90134","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90134","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"ntfs: fix kmap_local_page() usage in compress"}]}}}