🛡️ UBUNTU-CVE-2023-2598
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2023-06-01
Updated 2026-06-08
Modified 2025-10-24
Fix URL N/A

Affected Packages

Software From version Fixed in
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13
linux-aws-5.3
linux-aws-5.8
linux-azure
linux-azure-5.11
linux-azure-5.13
linux-azure-5.3
linux-azure-5.8
linux-azure-edge
linux-gcp
linux-gcp-5.11
linux-gcp-5.13
linux-gcp-5.3
linux-gcp-5.8
linux-gke-4.15
linux-gke-5.4
linux-gkeop-5.4
linux-hwe
linux-hwe-5.11
linux-hwe-5.13
linux-hwe-5.8
linux-hwe-edge
linux-intel-5.13
linux-oem
linux-oem-5.10
linux-oem-5.13
linux-oem-5.14
linux-oem-5.6
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13
linux-oracle-5.3
linux-oracle-5.8
linux-raspi2
linux-riscv
linux-riscv-5.11
linux-riscv-5.8

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