PT-2025-52987 · Linux+1 · Linux Kernel+1

CVE-2023-54030

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Published

2025-12-24

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Updated

2026-08-25

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A flaw exists in the Linux kernel’s io uring/net subsystem related to multishot receive completion queue entries (CQEs). The issue involves a potential overflow that could lead to performance degradation and, in severe cases, out-of-memory (OOM) conditions for the affected task. The vulnerability arises from not properly handling overflowing multishot receive CQEs.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Related Identifiers

CVE-2023-54030
RHSA-2024:2394
SUSE-SU-2026:0278-1
SUSE-SU-2026:0281-1
SUSE-SU-2026:0293-1
SUSE-SU-2026:0315-1
SUSE-SU-2026:20477-1
SUSE-SU-2026:20498-1
SUSE-SU-2026:20845-1
SUSE-SU-2026:20876-1

Affected Products

Debian
Linux Kernel