AUGUST 4, 2026
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Case File

CVE-2025-39963

HIGH · CVSS 7.8 EPSS 0.14%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-10-09 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux.

CVE
CVE-2025-39963
Severity
HIGH
CVSS
7.8
EPSS
0.14%
Linux

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)