Bug 2360969 (CVE-2025-40364)

Summary: CVE-2025-40364 kernel: io_uring: fix io_req_prep_async with provided buffers
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-04-18 14:01:09 UTC 
In the Linux kernel, the following vulnerability has been resolved:

io_uring: fix io_req_prep_async with provided buffers

io_req_prep_async() can import provided buffers, commit the ring state
by giving up on that before, it'll be reimported later if needed.
Comment 1 Avinash Hanwate 2025-04-18 14:30:28 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025041827-CVE-2025-40364-d93c@gregkh/T