Description
A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the system causing a denial of service.
References (2)
Core 2
Core References
Patch, Vendor Advisory
https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linux.intel.com/
Scores
CVSS v3
5.5
EPSS
0.0005
EPSS Percentile
14.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-476
Status
published
Products (2)
linux/linux_kernel
5.19 rc1 (6 CPE variants)
linux/linux_kernel
5.17 - 5.18
Published
Nov 28, 2022
Tracked Since
Feb 18, 2026