CVE-2023-0468

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…

Medium · published January 25, 2023

CVSS v3.1
4.7
EPSS
0%
Percentile
19.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00280 · 19.4th percentile
Published
2023-01-25T00:00Z
EPSS history
Timeline
  • 25 JAN 00:00Z
    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…
    cvelistv5