{"id":"CVE-2026-98960","published":"2026-10-23T13:17:17.390","lastModified":"2026-10-23T13:17:17.390","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: don't stash io_uring encoded data across -EAGAIN\n\nReturning -EAGAIN while leaving btrfs_uring_encoded_data in the cmd PDU\nleaks if the request is cancelled or the ring exits before reissue.\nio_uring does not free driver PDU allocations on cleanup.\n\nWrite: io_queue_sqe() always issues with IO_URING_F_NONBLOCK first, so\nreturn -EAGAIN before allocating and free data on every exit.\n\nRead: free on nowait -EAGAIN too; only -EIOCBQUEUED keeps the allocation\nfor btrfs_uring_read_finished().","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/4d9c1e0a7fb2cfb1cc924acafc194d2c15c3e83e","tags":[]},{"url":"https://git.kernel.org/stable/c/51562a8cb11628d3a5e105b4c347ec5473e5745f","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}