{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98685","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.364Z","datePublished":"2026-10-18T15:45:53.821Z","dateUpdated":"2026-10-19T09:23:55.472Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-19T09:23:55.472Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/cifsfs.c"],"versions":[{"version":"c54fc3a4f375663f2361a9cbb2955fb4ef912879","lessThan":"15bb9f1d3e967e328649e92a1451e60a0dc66118","status":"affected","versionType":"git"},{"version":"c54fc3a4f375663f2361a9cbb2955fb4ef912879","lessThan":"4721587f96cb8de8164f3fd203093a0875560999","status":"affected","versionType":"git"},{"version":"358bd5f436d820bb758833050aae065b35d6986c","status":"affected","versionType":"git"},{"version":"43801359c8971cc49b4a4db5015fba77fbd09c32","status":"affected","versionType":"git"},{"version":"6.1.68","lessThan":"6.2","status":"affected","versionType":"semver"},{"version":"6.6.7","lessThan":"6.7","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/cifsfs.c"],"versions":[{"version":"6.7","status":"affected"},{"version":"0","lessThan":"6.7","status":"unaffected","versionType":"semver"},{"version":"7.2.10","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/15bb9f1d3e967e328649e92a1451e60a0dc66118"},{"url":"https://git.kernel.org/stable/c/4721587f96cb8de8164f3fd203093a0875560999"}],"title":"smb: client: discard post-EOF pagecache when extending a file via clone range","x_generator":{"engine":"bippy-1.2.0"}}}}