CVE-2023-0468

Medium

Description

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.

SeverityMedium
CVSS4.7
Exploit probability—
ProductLinux Kernel
PublishedJan 26, 2023
First seenJan 26, 2023

How to fix

Update
  • linux linux_kernel6.1 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 6.1, 6.16.1

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CVE-2023-0468 · Linux Kernel · Dark Radar