CVE-2024-0639: linux kernel — Fix

Description

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.

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-833 CWE-833

CWE-667 CWE-667

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 6.4.16
redhat	enterprise_linux	All
redhat	enterprise_linux	All

References

Advisories & Patches

https://bugzilla.redhat.com/show_bug.cgi?id=2258754 https://github.com/torvalds/linux/commit/6feb37b3b06e9049e20dcf7e23998f92c9c5be9a https://bugzilla.redhat.com/show_bug.cgi?id=2258754 https://github.com/torvalds/linux/commit/6feb37b3b06e9049e20dcf7e23998f92c9c5be9a

Other References

https://access.redhat.com/security/cve/CVE-2024-0639 https://access.redhat.com/security/cve/CVE-2024-0639

Frequently Asked Questions

What is CVE-2024-0639? +

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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-0639? +

CVE-2024-0639 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-0639? +

CVE-2024-0639 affects products from linux, redhat, specifically: enterprise_linux, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-0639? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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