{"cve":{"cve_id":"CVE-2026-53029","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":null,"epss_percentile":null,"epss_as_of":null,"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: prevent uninitialized lcn caused by zero len\n\nsyzbot reported a uninit-value in ntfs_iomap_begin [1].\n\nSince runs was not touched yet, run_lookup_entry() immediately fails\nand returns false, which makes the value of \"*len\" 0.\nSimultaneously, the new value and err value are also 0, causing the\nlogic in attr_data_get_block_locked() to jump directly to ok, ultimately\nresulting in *lcn being triggered before it is set [1].\n\nIn ntfs_iomap_begin(), the check for a 0 value in clen is moved forward\nto before updating lcn to avoid this [1].\n\n[1]\nBUG: KMSAN: uninit-value in ntfs_iomap_begin+0x8c0/0x1460 fs/ntfs3/inode.c:825\n ntfs_iomap_begin+0x8c0/0x1460 fs/ntfs3/inode.c:825\n iomap_iter+0x9b7/0x1540 fs/iomap/iter.c:110\n\nLocal variable lcn created at:\n ntfs_iomap_begin+0x15d/0x1460 fs/ntfs3/inode.c:786","published_at":"2026-06-24T16:29:37.361000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://git.kernel.org/stable/c/485f750cac3d8bdf5552a0e3d79ce5e3a03ece49","https://git.kernel.org/stable/c/e98266e823a1fa06fe6499df61aeaac2fd6f7a49"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-28T17:55:28.590503Z","updated_at":"2026-06-28T23:30:49.890169Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"10d7c95af043b45a85dc738c3271bf760ff3577e","version_start_inclusive":true,"version_end":"485f750cac3d8bdf5552a0e3d79ce5e3a03ece49","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:10d7c95af043b45a85dc738c3271bf760ff3577e:485f750cac3d8bdf5552a0e3d79ce5e3a03ece49"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"10d7c95af043b45a85dc738c3271bf760ff3577e","version_start_inclusive":true,"version_end":"e98266e823a1fa06fe6499df61aeaac2fd6f7a49","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:10d7c95af043b45a85dc738c3271bf760ff3577e:e98266e823a1fa06fe6499df61aeaac2fd6f7a49"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0","version_start_inclusive":true,"version_end":"7.0","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0:7.0"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"7.0","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:7.0"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.10","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.10:7.0.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.1","version_start_inclusive":true,"version_end":"*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.1:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://git.kernel.org/stable/c/485f750cac3d8bdf5552a0e3d79ce5e3a03ece49","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/e98266e823a1fa06fe6499df61aeaac2fd6f7a49","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:29:37.361000Z","label":"CVE published","source":null}]}