{"id":"CVE-2026-98685","published":"2026-10-18T16:17:21.890","lastModified":"2026-10-19T10:19:32.923","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: discard post-EOF pagecache when extending a file via clone range\n\ncifs_remap_file_range() discarded the pagecache only for the folios\noverlapping the destination region, so when a clone extends the file the\nfolio straddling the old EOF - which may hold data dirtied past EOF\nthrough an mmap - was never dropped and became visible as file content\nonce the file was extended.\n\nStart the discard at the smaller of fstart and the old EOF.  i_size is\nstill old here, so nothing past the old EOF is flushed to the server.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/15bb9f1d3e967e328649e92a1451e60a0dc66118","tags":[]},{"url":"https://git.kernel.org/stable/c/4721587f96cb8de8164f3fd203093a0875560999","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}