Missing Lock in io_cqring_event_overflow() in Linux Kernel: A Local Privilege Escalation Vulnerability

Missing Lock in io_cqring_event_overflow() in Linux Kernel: A Local Privilege Escalation Vulnerability

CVE-2023-2430 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.

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