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PRIOn knowledge basePRION:CVE-2023-2236HistoryMay 01, 2023 - 1:15 p.m.
Design/Logic Flaw
2023-05-0113:15:00
PRIOn knowledge base
www.prio-n.com
8
design/logic flaw
linux kernel
io_uring
use-after-free
vulnerability
local privilege escalation
upgrading
nvd
A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.
Both io_install_fixed_file and its callers call fput in a file in case of an error, causing a reference underflow which leads to a use-after-free vulnerability.
We recommend upgrading past commit 9d94c04c0db024922e886c9fd429659f22f48ea4.
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