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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: smb: client: discard post-EOF pagecache when extending a file via clone range cifs_remap_file_range() discarded the pagecache only for the folios overlapping the destination region, so when a clone extends the file the folio straddling the old EOF - which may hold data dirtied past EOF through an mmap - was never dropped and became visible as file content once the file was extended. Start the discard at the smaller of fstart and the old EOF. i_size is still old here, so nothing past the old EOF is flushed to the server.
Засегнати продукти
- Linux Linux: c54fc3a4f375663f2361a9cbb2955fb4ef912879 преди 15bb9f1d3e967e328649e92a1451e60a0dc66118; c54fc3a4f375663f2361a9cbb2955fb4ef912879 преди 4721587f96cb8de8164f3fd203093a0875560999; 358bd5f436d820bb758833050aae065b35d6986c; 43801359c8971cc49b4a4db5015fba77fbd09c32; 6.1.68 преди 6.2; 6.6.7 преди 6.7
- Linux Linux: 6.7; преди 6.7; 7.2.10 до 7.2.*; 7.3 до *
История
- 18 октомври 2026 Публикувано