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CVE-2023-52656

kernel: io_uring: drop any code related to SCM_RIGHTS

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 13, 2024

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel that addresses the removal of dead code related to SCM_RIGHTS support within the io_uring. This code was deemed unnecessary after the kernel dropped the ability to pass io_uring file descriptors over SCM_RIGHTS. The vulnerability was assigned CVE status due to removing this code, which was part of a cleanup process following the resolution of a previous CVE (CVE-2023-52654).

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-1164 · Irrelevant Code