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High severity7.8NVD Advisory· Published Sep 15, 2025· Updated Jun 17, 2026

CVE-2022-50234

CVE-2022-50234

Description

In the Linux kernel, the following vulnerability has been resolved:

io_uring/af_unix: defer registered files gc to io_uring release

Instead of putting io_uring's registered files in unix_gc() we want it to be done by io_uring itself. The trick here is to consider io_uring registered files for cycle detection but not actually putting them down. Because io_uring can't register other ring instances, this will remove all refs to the ring file triggering the ->release path and clean up with io_ring_ctx_free().

[axboe: add kerneldoc comment to skb, fold in skb leak fix]

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Affected products

128

Patches

Vulnerability mechanics

References

6

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