CVE-2023-2598

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Jun 1, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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