CVE-2023-54030
Unknown Unknown - Not Provided
Buffer Overflow in Linux io_uring Multishot recv Causes OOM

Publication date: 2025-12-24

Last updated on: 2025-12-24

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: io_uring/net: don't overflow multishot recv Don't allow overflowing multishot recv CQEs, it might get out of hand, hurt performance, and in the worst case scenario OOM the task.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-06-16
AI Q&A
2025-12-24
EPSS Evaluated
2026-06-15
NVD
CVE-2023-54030
EUVD
EUVD-2025-205138
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability in the Linux kernel involves the io_uring/net subsystem where multishot receive completion queue events (CQEs) could overflow. This overflow can cause issues such as degraded performance and, in the worst case, cause the affected task to run out of memory (OOM).

Impact Analysis

The vulnerability can negatively impact system performance and stability by causing excessive memory usage leading to out-of-memory conditions for tasks using the multishot receive feature in io_uring/net. This could result in application crashes or degraded system responsiveness.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2023-54030. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart