CVE-2023-54030
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
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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).
How can this vulnerability impact me? :
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.