Bug 2424968 (CVE-2023-54030)

Summary: CVE-2023-54030 kernel: io_uring/net: don't overflow multishot recv
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2025-12-24 12:04:39 UTC 
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.
Comment 1 Alexander B 2025-12-25 12:10:01 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025122436-CVE-2023-54030-e7f3@gregkh/T