What is CVE-2023-39180?

CVE-2023-39180 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10, classified as a Uncontrolled Resource Consumption flaw (CWE-400). CVE-2023-39180 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-39180?

CVE-2023-39180 has a CVSS score of 7.5 out of 10, rated High severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-39180?

No patch is currently available for CVE-2023-39180. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-39180 actively exploited?

CVE-2023-39180 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Uncontrolled Resource Consumption (CWE-400)?

The product does not properly control the amount of resources it consumes, leading to exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/400.html

CVE-2023-39180

High

A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable.

Package Linux Kernel

Published 2024-11-18

Last modified 2025-08-06

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.5

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-400

CVE-2023-39180 is a Uncontrolled Resource Consumption vulnerability

What is Uncontrolled Resource Consumption?

The product does not properly control the amount of resources it consumes, leading to exhaustion. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2023-39180 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Red Hat
https://access.redhat.com/security/cve/CVE-2023-39180

Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=2326531

Issue Tracking Third Party Advisory
Zerodayinitiative
https://www.zerodayinitiative.com/advisories/ZDI-24-589/

Third Party Advisory

Details

CVE ID CVE-2023-39180

Severity High

CVSS score 7.5 / 10

CVSS version 3.1

Published 2024-11-18

Modified 2025-08-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-39180?

CVE-2023-39180 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 , classified as an Uncontrolled Resource Consumption flaw (CWE-400) . CVE-2023-39180 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-39180?

CVE-2023-39180 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-39180?

No patch is currently available for CVE-2023-39180. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-39180 actively exploited?

No — CVE-2023-39180 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Uncontrolled Resource Consumption (CWE-400)?

The product does not properly control the amount of resources it consumes, leading to exhaustion. View CWE-400 on MITRE CWE →