{"id":"CVE-2026-99102","aliases":[],"title":"ntfs: take invalidate_lock in ntfs_setattr_size()","titleSource":"Linux","descriptionSource":"Linux","products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"9c87959601e80b39a45250e362e6ddfec17cb0fa","status":"affected","lessThan":"f0b0738ba95731eeafd11352c74f8b48951f67dc","versionType":"git"},{"version":"9c87959601e80b39a45250e362e6ddfec17cb0fa","status":"affected","lessThan":"9cc5761b8f28f9cef72061094eb5e37e2cd44d97","versionType":"git"}],"defaultStatus":"unaffected","source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99102"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.2.13","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99102"}],"remediation":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: take invalidate_lock in ntfs_setattr_size()\n\nntfs_setattr_size() updates i_size and resizes the on-disk attribute\nwithout holding mapping->invalidate_lock.  Page faults take the lock\nshared, so a fault racing the resize can resolve a VCN against the\ntransient runlist state of ntfs_non_resident_attr_expand() and fail\nwith a spurious SIGBUS, and can interleave with the size-change\nepilogue (truncate_pagecache(), i_size_write(),\npagecache_isize_extended()).\n\nTake invalidate_lock exclusively around the whole resize after\ninode_dio_wait(), matching the fallocate path and other filesystems\nsuch as xfs, which wraps truncate in its mmaplock (= invalidate_lock).","severity":"unknown","score":null,"published":"2026-10-28T10:34:17.224Z","modified":"2026-10-28T10:34:17.224Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://git.kernel.org/stable/c/f0b0738ba95731eeafd11352c74f8b48951f67dc","https://git.kernel.org/stable/c/9cc5761b8f28f9cef72061094eb5e37e2cd44d97"],"sources":[{"name":"CVE","id":"CVE-2026-99102","modified":"2026-10-28T10:34:17.224Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-99102"}],"assessments":[],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T19:50:56.313Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}