CVE-2026-64263

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix moving cancelled entry to entinuserspace list fuseuringcancel moves entries that are available these have no reqs attached to the entinuserspace list. entlistrequestexpired checks the first entry on entinuserspace...

CVE-2026-64263 fuse-uring: fix moving cancelled entry to ent_in_userspace list

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix moving cancelled entry to entinuserspace list fuseuringcancel moves entries that are available these have no reqs attached to the entinuserspace list. entlistrequestexpired checks the first entry on entinuserspace...

CVE-2026-64263

CVE-2026-64263 affects the Linux kernel fuse-uring component. The issue arises when cancelled entries moved to ent_in_userspace are dereferenced by ent_list_request_expired(), causing a crash. The fix updates fuse_uring_cancel() to free the cancelled entry and drop queue_refs directly, ensuring s...