CVE-2026-99102None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: ntfs: take invalidate_lock in ntfs_setattr_size() ntfs_setattr_size() updates i_size and resizes the on-disk attribute without holding mapping->invalidate_lock. Page …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 29.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
In the Linux kernel, the following vulnerability has been resolved:
ntfs: take invalidate_lock in ntfs_setattr_size()
ntfs_setattr_size() updates i_size and resizes the on-disk attribute without holding mapping->invalidate_lock. Page faults take the lock shared, so a fault racing the resize can resolve a VCN against the transient runlist state of ntfs_non_resident_attr_expand() and fail with a spurious SIGBUS, and can interleave with the size-change epilogue (truncate_pagecache(), i_size_write(), pagecache_isize_extended()).
Take invalidate_lock exclusively around the whole resize after inode_dio_wait(), matching the fallocate path and other filesystems such as xfs, which wraps truncate in its mmaplock (= invalidate_lock).
Linux >= 9c87959601e80b39a45250e362e6ddfec17cb0fa < f0b0738ba95731eeafd11352c74f8b48951f67dcLinux >= 9c87959601e80b39a45250e362e6ddfec17cb0fa < 9cc5761b8f28f9cef72061094eb5e37e2cd44d97Linux 7.1Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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