VDB
DEBIAN-CVE-2026-23169
DEBIAN-CVE-2026-23169
PUBLISHED
CVSS 4.699999809265137 MEDIUM
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.
Risk Scores
CVSS 3.1
4.699999809265137
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | linux | 0, 6.12.38-1, 6.12.41-1 |
| Debian:12 | linux | 6.1.137-1, 6.1.139-1, 6.1.140-1 |
| Debian:14 | linux | 6.16.1-1~exp1, 6.16.10-1, 6.16.11-1 |
Timeline
- Feb 14, 2026 CVE Published
- Oct 1, 2026 CVE Updated