CVE-2024-0639 — Deadlock in Kernel

CWE-833 — DeadlockCWE-667 — Improper Locking9 documents9 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 99.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Linux KernelRedhat Enterprise Linux
Timeline
PublishedJan 17
Latest updateApr 19

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶Debianlinux/linux_kernel< 5.10.191-1+3
▶NVDlinux/linux_kernel6.4.16

Also affects: Enterprise Linux 8.0, 9.0

Patches

Patch: bugzilla.redhat.com ↗Patch: github.com ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

3
CVEList
Kernel: potential deadlock on &net->sctp.addr_wq_lock leading to dos↗2024-01-17
▶
OSV
CVE-2024-0639: A denial of service vulnerability due to a deadlock was found in sctp_auto_asconf_init in net/sctp/socket↗2024-01-17
▶
GHSA
GHSA-668p-x3m7-8w6v: A denial of service vulnerability due to a deadlock was found in sctp_auto_asconf_init in net/sctp/socket↗2024-01-17
▶

📋Vendor Advisories

4
Ubuntu
Linux kernel vulnerabilities↗2024-04-19
▶
Microsoft
Kernel: potential deadlock on &net->sctp.addr_wq_lock leading to dos↗2024-01-09
▶
Debian
CVE-2024-0639: linux - A denial of service vulnerability due to a deadlock was found in sctp_auto_ascon...↗2024
▶
Red Hat
kernel: potential deadlock on &net->sctp.addr_wq_lock leading to DOS↗2023-06-27
▶

💬Community

1
Bugzilla
CVE-2024-0639 kernel: potential deadlock on &net->sctp.addr_wq_lock leading to DOS↗2024-01-17
▶
CVE-2024-0639 — Deadlock in Linux Kernel | cvebase