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CVE-2024-0639

Kernel: potential deadlock on &net->sctp.addr_wq_lock leading to dos

Published: 1/17/2024 Last updated: 11/20/2025 Reserved: 1/17/2024

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.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 5.5 Medium CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (7)

Product Vendor Version
Red Hat Enterprise Linux 6 Red Hat n/a
Red Hat Enterprise Linux 9 Red Hat <= 9.2.6
Red Hat Enterprise Linux 8 Red Hat < 10.0.17763.3287
11
Red Hat Enterprise Linux 8 Red Hat n/a
Red Hat Enterprise Linux 8 Red Hat <= 9.4.1
Red Hat Enterprise Linux 9 Red Hat <= 9.1.9

References (12)