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Vulnerability Intelligence

CVE-2025-39963

High 7.8

Published
Last modified
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix incorrect io_kiocb reference in io_link_skb In io_link_skb function, there is a bug where prev_notif is incorrectly assigned using 'nd' instead of 'prev_nd'. This causes the context validation check to compare the current notification with itself instead of comparing it with the previous notification. Fix by using the correct prev_nd parameter when obtaining prev_notif.

Affected products

linux: linux kernel

References3

Metrics

CVSS 3.1
7.8 HIGH Score source: NVD CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
0% percentile: 5 · as of 9 November 2026
CWE
CWE-401

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