Threats Tagged 'ubuntu-cve-2026-64395'
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Threats Tagged 'ubuntu-cve-2026-64395'
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In the Linux kernel, the following vulnerability has been resolved: ksmbd: require source read access for duplicate extents… 0 In the Linux kernel, the following vulnerability has been resolved: ksmbd: require source read access for duplicate extents FSCTL_DUPLICATE_EXTENTS_TO_FILE passes the source file directly to vfs_clone_file_range() or vfs_copy_file_range() without checking the SMB access mask granted to the source handle. A handle opened with attribute access can consequently be used to copy file contents into an attacker-readable destination. Require FILE_READ_DATA on the source handle before either VFS operation, matching other ksmbd data-copy paths. Join the discussion | GCVE Database | 07/27/2026, 00:00:00 UTC Added: 07/28/2026, 23:53:08 UTC |
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