🛡️ UBUNTU-CVE-2023-1295
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in 9eac1904d3364254d622bf2c771c4f85cd435fc2, backported to stable in 788d0824269bef539fe31a785b1517882eafed93.

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 2023-06-28
Updated 2026-06-02
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-5.19
linux-azure-5.3
linux-azure-5.8
linux-azure-edge
linux-azure-fde-5.19
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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