Race Condition in io_uring/poll.c Leads to Use-After-Free Vulnerability in Linux Kernel

Race Condition in io_uring/poll.c Leads to Use-After-Free Vulnerability in Linux Kernel

CVE-2023-0468 · MEDIUM Severity

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.

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