Medium [CVE-2024-0639] potential deadlock on &net->sctp.addr_wq_lock leading to dos
This medium-severity Red Hat Linux advisory covers CVE-2024-0639 affecting Red Hat Enterprise Linux 9, Red Hat package: kernel-rt.
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Summary
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.
Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-833.
Affected Red Hat products: Red Hat Enterprise Linux 9. Red Hat fixing advisory: RHSA-2023:6583.
Affected products named by the advisory: Red Hat package: kernel-rt.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 19 days ago·verify at source
- kernel-0:5.14.0-362.8.1.el9_3
- RHSA-2023:6583
Official advisory · high-confidence parse· fetched 19 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Official advisory · high-confidence parse· fetched 19 days ago·verify at source
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