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CVE-2025-68234

kernel: Linux kernel: Incorrect data splicing in io_uring/cmd_net

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Severity

Important

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · December 16, 2025

Updated · August 14, 2026

Description

A flaw was found in the Linux kernel. Incorrect argument types in the io_uring/cmd_net component, specifically within the skb_queue_splice() function, lead to transposed arguments during a retry of timestamp retrieval. This transposition causes data to be spliced in the wrong direction into an on-stack list, potentially leading to data integrity issues or system instability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-628 · Function Call with Incorrectly Specified Arguments