CVE-2023-0468
low-risk
Published 2023-01-26
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.
Do I need to act?
-
0.02% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10
Medium
LOCAL
/ HIGH complexity
Affected Products (8)
Affected Vendors
References (2)
26
/ 100
low-risk
Severity
12/34 · Low
Exploitability
0/34 · Minimal
Exposure
14/34 · Moderate