{"id":"CVE-2026-53168","state":"PUBLISHED","title":"fuse: reject fuse_notify() pagecache ops on directories","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfuse: reject fuse_notify() pagecache ops on directories\n\nThe operations FUSE_NOTIFY_STORE and FUSE_NOTIFY_RETRIEVE allow the\nFUSE daemon to actively write/read pagecache contents.\n\nFor directories with FOPEN_CACHE_DIR, the pagecache is used as\nkernel-internal cache storage, and userspace is not supposed to have\ndirect access to this cache - in particular, fuse_parse_cache() will hit\nWARN_ON() if the cache contains bogus data.\n\nReject FUSE_NOTIFY_STORE and FUSE_NOTIFY_RETRIEVE on anything other than\nregular files with -EINVAL.","publishedAt":"2026-06-25T08:38:47.420Z","updatedAt":"2026-10-15T01:22:32.273Z","severity":null,"assigner":"Linux","products":["Linux 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