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Vulnerability DatabaseCVE-2026-23169
CVE-2026-23169:
Linux Kernel vulnerability analysis and mitigation
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.
Source: NVD
Related Linux Kernel vulnerabilities:
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