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.
CVE-2024-0639
Score 4.7 from GitHub Security Advisory published 2024-01-17. NVD baseline CVSS 5.5; sources differ by 0.8.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.5
- EG Score
- 4.7(medium)
- EPSS
- 5.7%
- KEV
- Not listed
Published
January 17, 2024
Last Modified
November 21, 2024
References (6)
- secalert@redhathttps://access.redhat.com/security/cve/CVE-2024-0639
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2258754
- secalert@redhathttps://github.com/torvalds/linux/commit/6feb37b3b06e9049e20dcf7e23998f92c9c5be9a
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2024-0639
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2258754
- af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/6feb37b3b06e9049e20dcf7e23998f92c9c5be9a
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-tools-azure (4.15.0.1176.191~14.04.1) @ trusty | 2026-05-24 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(2)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 10× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:26 UTCEPSS rescore
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- 2026-06-26 23:09 UTCOSV refresh
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- 2026-06-09 09:52 UTCOSV refresh
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- 2026-05-24 10:06 UTCEG score recompute
- 2026-05-24 10:06 UTCVendor advisory
- 2026-05-24 10:06 UTCGHSA enrichment
Frequently asked(5)
What is CVE-2024-0639?
When was CVE-2024-0639 disclosed?
Is CVE-2024-0639 actively exploited?
What is the CVSS score of CVE-2024-0639?
How do I remediate CVE-2024-0639?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2024-0639
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