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CVE-2023-2598

Description

A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.

NVD
Severity: HIGH
CVE ID: CVE-2023-2598
CVSS Score: 7.8
CVSS Metrics: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Refrence: NVD MITRE

Proof Of Concept

ysanatomic

LPE PoC of a vulnerability in the io_uring subsystem of the Linux Kernel.

Refrence: GitHub

Description
Proof Of Concept