What is CVE-2023-2430?

CVE-2023-2430 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2023-2430 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

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

CVE-2023-2430 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-2430?

No patch is currently available for CVE-2023-2430. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-2430 actively exploited?

CVE-2023-2430 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-2430

Medium

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.

Package Linux Kernel

Published 2023-07-23

Last modified 2025-03-06

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-413

CVE-2023-2430 is classified as CWE-413

See CWE-413 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-2430 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://www.debian.org/security/2023/dsa-5492
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8
Patch

Details

CVE ID CVE-2023-2430

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2023-07-23

Modified 2025-03-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-2430?

CVE-2023-2430 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2023-2430 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-2430?

CVE-2023-2430 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-2430?

No patch is currently available for CVE-2023-2430. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-2430 actively exploited?

No — CVE-2023-2430 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.