CVE-2025-68317 — io_uring/zctx: check chained notif contexts
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 …
Published: 2025-12-16 · CVSS: 7.8 · CVSS 3.1
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 let's check the assumption on notification completion.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7