CVE-2023-52656
kernel: io_uring: drop any code related to SCM_RIGHTS
Severity
ModerateRed Hat Product Security
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-1164 · Irrelevant Code