What is CVE-2024-0639?

CVE-2024-0639 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Deadlock flaw (CWE-833). CVE-2024-0639 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-0639?

CVE-2024-0639 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-2024-0639?

No patch is currently available for CVE-2024-0639. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-0639 actively exploited?

CVE-2024-0639 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Deadlock (CWE-833)?

The product contains multiple threads that wait for each other to release locks, causing all threads to halt. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/833.html

CVE-2024-0639

Medium

A denial of service vulnerability due to a deadlock was found in sctp_auto_asconf_init in net/sctp/socket.c in the Linux kernel’s SCTP subsystem. This flaw allows guests with local user privileges to trigger a deadlock and potentially crash the system.

Package Linux Kernel

Published 2024-01-17

Last modified 2024-11-21

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-833

CVE-2024-0639 is a Deadlock vulnerability

What is Deadlock?

The product contains multiple threads that wait for each other to release locks, causing all threads to halt. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2024-0639 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-2024-0639

Third Party Advisory
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=2258754
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/6feb37b3b06e9049e20dcf7e23998f92c9c5be9a
Patch

Details

CVE ID CVE-2024-0639

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-01-17

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2024-0639?

CVE-2024-0639 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Deadlock flaw (CWE-833) . CVE-2024-0639 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-0639?

CVE-2024-0639 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-2024-0639?

No patch is currently available for CVE-2024-0639. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-0639 actively exploited?

No — CVE-2024-0639 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Deadlock (CWE-833)?

The product contains multiple threads that wait for each other to release locks, causing all threads to halt. View CWE-833 on MITRE CWE →