CVE-2024-0639
Low
No strong exploitation signal.
CVSS base
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.2%
7.4th percentile
CISA KEV
Not listed
Weakness / dates
CWE-667
Published 2024-01-17 · modified 2026-07-21
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2024-01-17 — Published (NVD)
- 2026-07-21 — Last modified (NVD)
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.
Affected
References
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/security/cve/CVE-2024-0639
- https://bugzilla.redhat.com/show_bug.cgi?id=2258754
- https://github.com/torvalds/linux/commit/6feb37b3b06e9049e20dcf7e23998f92c9c5be9a
- https://access.redhat.com/security/cve/CVE-2024-0639
- https://bugzilla.redhat.com/show_bug.cgi?id=2258754
- https://github.com/torvalds/linux/commit/6feb37b3b06e9049e20dcf7e23998f92c9c5be9a