Security Advisory

CVE-2025-68317

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-12-16 15:39:47

Last updated 2026-05-11 21:50:50

Assigner Linux

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/zctx: check chained notif contexts Send zc only links ubuf_info for requests coming from the same context. There are some ambiguous syz reports, so lets check the assumption on notification completion.

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