CVE-2025-68317

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CVSS 3.1

7.8 high

EPSS

<1%p3

Published

Dec 16, 2025 (Dec 16, 2025)

Modified

Jul 30, 2026

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.

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.1%)

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