{"schema":"threatline.record/2","record":{"id":"CVE-2026-98685","aliases":[],"summary":"smb: client: discard post-EOF pagecache when extending a file via clone range","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: discard post-EOF pagecache when extending a file via clone range\n\ncifs_remap_file_range() discarded the pagecache only for the folios\noverlapping the destination region, so when a clone extends the file the\nfolio straddling the old EOF - which may hold data dirtied past EOF\nthrough an mmap - was never dropped and became visible as file content\nonce the file was extended.\n\nStart the discard at the smaller of fstart and the old EOF.  i_size is\nstill old here, so nothing past the old EOF is flushed to the server.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98685","source_modified_at":"2026-10-19T09:23:55.472Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"c54fc3a4f375663f2361a9cbb2955fb4ef912879","lessThan":"15bb9f1d3e967e328649e92a1451e60a0dc66118","status":"affected","versionType":"git"},{"version":"c54fc3a4f375663f2361a9cbb2955fb4ef912879","lessThan":"4721587f96cb8de8164f3fd203093a0875560999","status":"affected","versionType":"git"},{"version":"358bd5f436d820bb758833050aae065b35d6986c","status":"affected","versionType":"git"},{"version":"43801359c8971cc49b4a4db5015fba77fbd09c32","status":"affected","versionType":"git"},{"version":"6.1.68","lessThan":"6.2","status":"affected","versionType":"semver"},{"version":"6.6.7","lessThan":"6.7","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98685","source_modified_at":"2026-10-19T09:23:55.472Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.7","status":"affected"},{"version":"0","lessThan":"6.7","status":"unaffected","versionType":"semver"},{"version":"7.2.10","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98685","source_modified_at":"2026-10-19T09:23:55.472Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"15bb9f1d3e967e328649e92a1451e60a0dc66118","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98685","source_modified_at":"2026-10-19T09:23:55.472Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"4721587f96cb8de8164f3fd203093a0875560999","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98685","source_modified_at":"2026-10-19T09:23:55.472Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.2","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98685","source_modified_at":"2026-10-19T09:23:55.472Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6.7","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00189,"percentile":0.08118,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:45:53.821Z","modified_at":"2026-10-19T09:23:55.472Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98685","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:23:55.472Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98685","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/15bb9f1d3e967e328649e92a1451e60a0dc66118"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/4721587f96cb8de8164f3fd203093a0875560999"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:23:55.472Z","content_hash":"bfc783285893adda84a99d306efb724bfbf8249737684770cb134ab4deb95e06"}}
