CVE-2026-64160 is a vulnerability in Linux Kernel
Published on July 19, 2026
netfs: Fix potential for tearing in ->remote_i_size and ->zero_point
In the Linux kernel, the following vulnerability has been resolved:
netfs: Fix potential for tearing in ->remote_i_size and ->zero_point
Fix potential tearing in using ->remote_i_size and ->zero_point by copying
i_size_read() and i_size_write() and using the same seqcount as for i_size.
We need to make sure that netfslib and the filesystems that use it always
hold i_lock whilst updating any of the sizes to prevent i_size_seqcount
from getting corrupted.
Products Associated with CVE-2026-64160
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Affected Versions
Linux:- Version 4058f742105ecfcbdf99e1139e6c1f74fb8e6db9 and below 55970f238d495517edc961d55c44c772594d0969 is affected.
- Version 4058f742105ecfcbdf99e1139e6c1f74fb8e6db9 and below 2c8f4742bb76117d735f92a3932d85239b16c494 is affected.
- Version 5.18 is affected.
- Before 5.18 is unaffected.
- Version 7.0.11, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.