Is CVE-2023-2430 in the CISA KEV catalog?

No. CVE-2023-2430 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-2430?

CVE-2023-2430 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2023-2430?

CVE-2023-2430 has an EPSS score of 0.16% (6th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-2430?

Upgrade linux on debian 12 to 6.1.52-1 or later. Fixes are available for 58 affected products.

CVE & CISA-KEV Catalog

CVE-2023-2430

MEDIUM

5.5

CVSS v3

NVD

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.

CWE-413 CWE-667

How to fix

Remediation Available

linuxDebian

Fixed in:6.1.52-1CVE-2023-2430

Fixed in:6.3.7-1CVE-2023-2430

linuxUbuntu

Fixed in:5.19.0-46.47USN-6192-1

linux-allwinnerUbuntu

Fixed in:5.19.0-1015.15USN-6192-1

linux-allwinner-5.19Ubuntu

Fixed in:5.19.0-1015.15~22.04.1USN-6192-1

linux-awsUbuntu

Fixed in:5.19.0-1028.29USN-6192-1

linux-aws-5.19Ubuntu

Fixed in:5.19.0-1028.29~22.04.1USN-6192-1

linux-azureUbuntu

Fixed in:5.19.0-1029.32USN-6192-1

linux-gcpUbuntu

Fixed in:5.19.0-1027.29USN-6192-1

linux-gcp-5.19Ubuntu

Fixed in:5.19.0-1027.29~22.04.1USN-6192-1

linux-hwe-5.19Ubuntu

Fixed in:5.19.0-46.47~22.04.1USN-6192-1

linux-ibmUbuntu

Fixed in:5.19.0-1025.27USN-6192-1

linux-image-5.19.0-1015-allwinnerUbuntu

Fixed in:5.19.0-1015.15~22.04.1USN-6192-1

Fixed in:5.19.0-1015.15USN-6192-1

linux-image-5.19.0-1020-starfiveUbuntu

Fixed in:5.19.0-1020.22~22.04.1USN-6192-1

Fixed in:5.19.0-1020.22USN-6192-1

linux-image-5.19.0-1022-raspiUbuntu

Fixed in:5.19.0-1022.29USN-6192-1

linux-image-5.19.0-1022-raspi-nolpaeUbuntu

Fixed in:5.19.0-1022.29USN-6192-1

linux-image-5.19.0-1025-ibmUbuntu

Fixed in:5.19.0-1025.27USN-6192-1

linux-image-5.19.0-1026-kvmUbuntu

Fixed in:5.19.0-1026.27USN-6192-1

linux-image-5.19.0-1026-oracleUbuntu

Fixed in:5.19.0-1026.29USN-6192-1

linux-image-5.19.0-1027-gcpUbuntu

Fixed in:5.19.0-1027.29~22.04.1USN-6192-1

Fixed in:5.19.0-1027.29USN-6192-1

linux-image-5.19.0-1028-awsUbuntu

Fixed in:5.19.0-1028.29~22.04.1USN-6192-1

Fixed in:5.19.0-1028.29USN-6192-1

linux-image-5.19.0-1028-lowlatencyUbuntu

Fixed in:5.19.0-1028.29USN-6192-1

linux-image-5.19.0-1028-lowlatency-64kUbuntu

Fixed in:5.19.0-1028.29USN-6192-1

linux-image-5.19.0-1029-azureUbuntu

Fixed in:5.19.0-1029.32USN-6192-1

linux-image-5.19.0-46-genericUbuntu

Fixed in:5.19.0-46.47~22.04.1USN-6192-1

Fixed in:5.19.0-46.47USN-6192-1

linux-image-5.19.0-46-generic-64kUbuntu

Fixed in:5.19.0-46.47~22.04.1USN-6192-1

Fixed in:5.19.0-46.47USN-6192-1

linux-image-5.19.0-46-generic-lpaeUbuntu

Fixed in:5.19.0-46.47~22.04.1USN-6192-1

Fixed in:5.19.0-46.47USN-6192-1

linux-image-6.0.0-1019-oemUbuntu

Fixed in:6.0.0-1019.19USN-6235-1

linux-image-6.1.0-1015-oemUbuntu

Fixed in:6.1.0-1015.15USN-6194-1

linux-image-allwinnerUbuntu

Fixed in:5.19.0.1015.15~22.04.8USN-6192-1

Fixed in:5.19.0.1015.15USN-6192-1

linux-image-awsUbuntu

Fixed in:5.19.0.1028.29~22.04.12USN-6192-1

Fixed in:5.19.0.1028.25USN-6192-1

linux-image-azureUbuntu

Fixed in:5.19.0.1029.24USN-6192-1

linux-image-gcpUbuntu

Fixed in:5.19.0.1027.29~22.04.1USN-6192-1

Fixed in:5.19.0.1027.23USN-6192-1

linux-image-genericUbuntu

Fixed in:5.19.0.46.42USN-6192-1

linux-image-generic-64kUbuntu

Fixed in:5.19.0.46.42USN-6192-1

linux-image-generic-64k-hwe-22.04Ubuntu

Fixed in:5.19.0.46.47~22.04.21USN-6192-1

linux-image-generic-hwe-22.04Ubuntu

Fixed in:5.19.0.46.47~22.04.21USN-6192-1

linux-image-generic-lpaeUbuntu

Fixed in:5.19.0.46.42USN-6192-1

linux-image-generic-lpae-hwe-22.04Ubuntu

Fixed in:5.19.0.46.47~22.04.21USN-6192-1

linux-image-ibmUbuntu

Fixed in:5.19.0.1025.22USN-6192-1

linux-image-kvmUbuntu

Fixed in:5.19.0.1026.23USN-6192-1

linux-image-lowlatencyUbuntu

Fixed in:5.19.0.1028.24USN-6192-1

linux-image-lowlatency-64kUbuntu

Fixed in:5.19.0.1028.24USN-6192-1

linux-image-oem-22.04bUbuntu

Fixed in:6.0.0.1019.19USN-6235-1

linux-image-oem-22.04cUbuntu

Fixed in:6.1.0.1015.15USN-6194-1

linux-image-oracleUbuntu

Fixed in:5.19.0.1026.22USN-6192-1

linux-image-raspiUbuntu

Fixed in:5.19.0.1022.21USN-6192-1

linux-image-raspi-nolpaeUbuntu

Fixed in:5.19.0.1022.21USN-6192-1

linux-image-starfiveUbuntu

Fixed in:5.19.0.1020.22~22.04.7USN-6192-1

Fixed in:5.19.0.1020.18USN-6192-1

linux-image-virtualUbuntu

Fixed in:5.19.0.46.42USN-6192-1

linux-image-virtual-hwe-22.04Ubuntu

Fixed in:5.19.0.46.47~22.04.21USN-6192-1

linux-kvmUbuntu

Fixed in:5.19.0-1026.27USN-6192-1

linux-lowlatencyUbuntu

Fixed in:5.19.0-1028.29USN-6192-1

linux-oem-6.0Ubuntu

Fixed in:6.0.0-1019.19USN-6235-1

linux-oem-6.1Ubuntu

Fixed in:6.1.0-1015.15USN-6194-1

linux-oracleUbuntu

Fixed in:5.19.0-1026.29USN-6192-1

linux-raspiUbuntu

Fixed in:5.19.0-1022.29USN-6192-1

linux-starfiveUbuntu

Fixed in:5.19.0-1020.22USN-6192-1

linux-starfive-5.19Ubuntu

Fixed in:5.19.0-1020.22~22.04.1USN-6192-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.16%probability of exploitation in 30 days

6thpercentile

Low risk: more likely to be exploited than 6% of all known CVEs.

References

Patch1

git.kernel.org

Other references1

debian.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-06.