{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72471", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.934Z", "datePublished": "2026-08-15T05:57:13.117Z", "dateUpdated": "2026-08-15T05:57:13.117Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:57:13.117Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: prevent potential lcn remains uninitialized\n\nThe target VCN being sought was not found within runs[0], causing\nrun_lookup() to return false. This causes run_lookup_entry() to return\nfalse, which in turn results in a len value of 0, and the new parameter\npassed to attr_data_get_block() is NULL. Collectively, these factors\nultimately cause attr_data_get_block_locked() to exit prematurely without\ninitializing lcn, thereby triggering [1].\n\nTo prevent [1], the clen check within ni_seek_data_or_hole() has been\nmoved to occur before the lcn check.\n\n[1]\nBUG: KMSAN: uninit-value in ni_seek_data_or_hole+0x24f/0x5f0 fs/ntfs3/frecord.c:2862\n ni_seek_data_or_hole+0x24f/0x5f0 fs/ntfs3/frecord.c:2862\n ntfs_llseek+0x22a/0x4a0 fs/ntfs3/file.c:1530\n vfs_llseek fs/read_write.c:391 [inline]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ntfs3/frecord.c"], "versions": [{"version": "c61326967728392931f8a2240cb2cf4c81b523c1", "lessThan": "7ae7e98b71438c494532492cbf58fc0d7f7988bb", "status": "affected", "versionType": "git"}, {"version": "c61326967728392931f8a2240cb2cf4c81b523c1", "lessThan": "57ac2831c8e0f168090d38e3de758c6a59db44db", "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/ntfs3/frecord.c"], "versions": [{"version": "7.0", "status": "affected"}, {"version": "0", "lessThan": "7.0", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7ae7e98b71438c494532492cbf58fc0d7f7988bb"}, {"url": "https://git.kernel.org/stable/c/57ac2831c8e0f168090d38e3de758c6a59db44db"}], "title": "fs/ntfs3: prevent potential lcn remains uninitialized", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/ntfs3/frecord.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7ae7e98b71438c494532492cbf58fc0d7f7988bb", "status": "affected", "version": "c61326967728392931f8a2240cb2cf4c81b523c1", "versionType": "git"}, {"lessThan": "57ac2831c8e0f168090d38e3de758c6a59db44db", "status": "affected", "version": "c61326967728392931f8a2240cb2cf4c81b523c1", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/ntfs3/frecord.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.0"}, {"lessThan": "7.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: prevent potential lcn remains uninitialized\n\nThe target VCN being sought was not found within runs[0], causing\nrun_lookup() to return false. This causes run_lookup_entry() to return\nfalse, which in turn results in a len value of 0, and the new parameter\npassed to attr_data_get_block() is NULL. Collectively, these factors\nultimately cause attr_data_get_block_locked() to exit prematurely without\ninitializing lcn, thereby triggering [1].\n\nTo prevent [1], the clen check within ni_seek_data_or_hole() has been\nmoved to occur before the lcn check.\n\n[1]\nBUG: KMSAN: uninit-value in ni_seek_data_or_hole+0x24f/0x5f0 fs/ntfs3/frecord.c:2862\n ni_seek_data_or_hole+0x24f/0x5f0 fs/ntfs3/frecord.c:2862\n ntfs_llseek+0x22a/0x4a0 fs/ntfs3/file.c:1530\n vfs_llseek fs/read_write.c:391 [inline]"}], "id": "CVE-2026-72471", "lastModified": "2026-08-15T06:22:21.213", "metrics": {}, "published": "2026-08-15T06:22:21.213", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/57ac2831c8e0f168090d38e3de758c6a59db44db"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7ae7e98b71438c494532492cbf58fc0d7f7988bb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"created": "2026-08-15T17:45:03.069566+00:00", "updated": "2026-08-15T17:45:03.069571+00:00", "vendors": [], "weaknesses": ["CWE-457"]}