{"schema":"threatline.record/2","record":{"id":"CVE-2026-99137","aliases":[],"summary":"cifs: don't update i_size in cifs_do_truncate without a cached handle","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: don't update i_size in cifs_do_truncate without a cached handle\n\nIf find_writable_file() returns null, cifs_file_flush will return\n0 without issuing set_file_size, and the outer 'if (!rc)' block\nwill set i_size to 0 before telling the server to truncate.  If\nthe cifs_open() then fails, the inode will have size 0, while\nthe server file is unchanged.\n\nMove the netfs_resize_file() and cifs_setsize() into the 'if\n(cfile)', so they only run after a successful set_file_size.\n\nIn the no-handle else branch, evict stale pages with\ntruncate_inode_pages before the O_TRUNC open to dispose of old\ncache pages, and let the open response set the i_size.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-99137","source_modified_at":"2026-10-28T10:34:49.266Z","fetched_at":"2026-10-28T15:55:58.673066Z","product":"Linux","vendor":"Linux","versions":[{"version":"110fee6b9bb58a5c50047fc2594d415f741b591e","lessThan":"04d020b3d0b58a1b7e116900e4095b96a7f4e11a","status":"affected","versionType":"git"},{"version":"110fee6b9bb58a5c50047fc2594d415f741b591e","lessThan":"88a51743cd8094b76fd910f53f718747c7729cc8","status":"affected","versionType":"git"},{"version":"110fee6b9bb58a5c50047fc2594d415f741b591e","lessThan":"fe39cd9d48f2346605f3746e0cc19e89d5f373eb","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-99137","source_modified_at":"2026-10-28T10:34:49.266Z","fetched_at":"2026-10-28T15:55:58.673066Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.18","status":"affected"},{"version":"0","lessThan":"6.18","status":"unaffected","versionType":"semver"},{"version":"6.18.59","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.13","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-2026-99137","source_modified_at":"2026-10-28T10:34:49.266Z","fetched_at":"2026-10-28T15:55:58.673066Z","package":{"name":"Linux","ecosystem":null},"version":"04d020b3d0b58a1b7e116900e4095b96a7f4e11a","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-99137","source_modified_at":"2026-10-28T10:34:49.266Z","fetched_at":"2026-10-28T15:55:58.673066Z","package":{"name":"Linux","ecosystem":null},"version":"88a51743cd8094b76fd910f53f718747c7729cc8","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-28T10:34:49.266Z","modified_at":"2026-10-28T10:34:49.266Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-99137","fetched_at":"2026-10-28T15:55:58.673066Z","source_modified_at":"2026-10-28T10:34:49.266Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/04d020b3d0b58a1b7e116900e4095b96a7f4e11a"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/88a51743cd8094b76fd910f53f718747c7729cc8"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/fe39cd9d48f2346605f3746e0cc19e89d5f373eb"}],"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":"2026-10-28T10:34:49.266Z","content_hash":"d915137f7e3f454aa8424a06557eef7252e7e7a9d982a8fc7f5d995a4cd916ab"}}