What is CVE-2023-1074?

CVE-2023-1074 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Memory Leak flaw (CWE-401). CVE-2023-1074 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-1074?

CVE-2023-1074 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-2023-1074?

No patch is currently available for CVE-2023-1074. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-1074 actively exploited?

CVE-2023-1074 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2023-1074

Medium

A memory leak flaw was found in the Linux kernel's Stream Control Transmission Protocol. This issue may occur when a user starts a malicious networking service and someone connects to this service. This could allow a local user to starve resources, causing a denial of service.

Package Linux Kernel

Published 2023-03-27

Last modified 2025-03-19

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-401

CVE-2023-1074 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2023-1074 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Openwall
http://www.openwall.com/lists/oss-security/2023/11/05/4
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=2173430

Issue Tracking Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
Debian Security
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
Openwall
https://www.openwall.com/lists/oss-security/2023/01/23/1

Mailing List Third Party Advisory
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=458e279f861d3f61796894cd158b780765a1569f
Patch

Details

CVE ID CVE-2023-1074

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2023-03-27

Modified 2025-03-19

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-1074?

CVE-2023-1074 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . CVE-2023-1074 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-1074?

CVE-2023-1074 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-2023-1074?

No patch is currently available for CVE-2023-1074. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-1074 actively exploited?

No — CVE-2023-1074 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →