UBUNTU-CVE-2023-2430

Advisory lineage Upstream: 1 Downstream: 3
Upstream
CVE-2023-2430
Published: 08 May 2023, 00:00
Last modified:04 Feb 2026, 04:09

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 May 2023, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 04:09
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntu•linux-allwinner-5.19

    < 5.19.0-1015.15~22.04.1

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.19

    < 5.19.0-1028.29~22.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-azure

    all

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-gcp

    all

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.19

    < 5.19.0-1027.29~22.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.19

    < 5.19.0-46.47~22.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-5.13

    all

  • ubuntu•linux-lowlatency-hwe-5.19

    < 5.19.0-1028.29~22.04.1

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.10

    all

  • ubuntu•linux-oem-5.13

    all

  • ubuntu•linux-oem-5.14

    all

  • ubuntu•linux-oem-5.6

    all

  • ubuntu•linux-oem-6.0

    < 6.0.0-1019.19

  • ubuntu•linux-oem-6.1

    < 6.1.0-1015.15

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.11

    all

  • ubuntu•linux-oracle-5.13

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.8

    all

  • ubuntu•linux-raspi2

    all

  • ubuntu•linux-riscv

    all | all

  • ubuntu•linux-riscv-5.11

    all

  • ubuntu•linux-riscv-5.19

    < 5.19.0-1021.23~22.04.1

  • ubuntu•linux-riscv-5.8

    all

  • ubuntu•linux-starfive-5.19

    < 5.19.0-1020.22~22.04.1

References (8)