CVE-2025-68317EPSS p3.0%
CVE-2025-68317CVE-2025-68317
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 let's check the assumption on
notification completion.
Scoring
| CVSS | 7.8 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.14% probability of exploitation · percentile 3.0% · 2026-10-05T12:00:23Z |
| Last modified | 2026-07-30 |