๐Ÿ›ก๏ธ CVE-2025-39963
๐ŸŸ  CVSS 7.8 โ€” High โœ… No Known Exploit CWE-401 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-401
Public Exploit โœ… No
Source NVD
Published 2025-10-09
Updated 2026-06-02
Modified 2026-02-26

Affected Packages

Software From version Fixed in
linux-kernel โ€” โ€”

Similar Threats

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