CVE-2023-2430

MEDIUM

Linux Kernel < 6.2 - Denial of Service via Missing Lock in io_cqring_event_overflow

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2

Scores

CVSS v3 5.5
EPSS 0.0016
EPSS Percentile 5.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-667 CWE-413
Status published
Products (2)
linux/linux_kernel 6.2 (5 CPE variants)
linux/linux_kernel < 6.2
Published Jul 23, 2023
Tracked Since Feb 18, 2026