Description
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race in mptcp_pm_nl_flush_addrs_doit() syzbot and Eulgyu Kim reported crashes in mptcp_pm_nl_get_local_id() and/or mptcp_pm_nl_is_backup() Root cause is list_splice_init() in mptcp_pm_nl_flush_addrs_doit() which is not RCU ready. list_splice_init_rcu() can not be called here while holding pernet->lock spinlock. Many thanks to Eulgyu Kim for providing a repro and testing our patches.
References (6)
Scores
CVSS v3
7.8
EPSS
0.0001
EPSS Percentile
0.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-362
Status
published
Products (21)
linux/Kernel
5.11.0 - 5.15.201linux
linux/Kernel
5.16.0 - 6.1.164linux
linux/Kernel
6.13.0 - 6.18.9linux
linux/Kernel
6.2.0 - 6.6.125linux
linux/Kernel
6.7.0 - 6.12.72linux
Linux/Linux
< 5.11
Linux/Linux
141694df6573b49aa4143c92556544b4b0bbda72 - 1f1b9523527df02685dde603f20ff6e603d8e4a1
Linux/Linux
141694df6573b49aa4143c92556544b4b0bbda72 - 338d40bab283da2639780ee3e458fb61f1567d8c
Linux/Linux
141694df6573b49aa4143c92556544b4b0bbda72 - 455e882192c9833f176f3fbbbb2f036b6c5bf555
Linux/Linux
141694df6573b49aa4143c92556544b4b0bbda72 - 51223bdd0f60b06cfc7f25885c4d4be917adba94
... and 11 more
Published
Feb 14, 2026
Tracked Since
Feb 18, 2026