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.
https://bugzilla.redhat.com/show_bug.cgi?id=2164024
Source: Mitre, NVD
Published: 2023-01-26
Updated: 2023-02-01
Base Score: 3.8
Vector: CVSS2#AV:L/AC:H/Au:S/C:N/I:N/A:C
Severity: Low
Base Score: 4.7
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity: Medium