CVE-2025-68221

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix address removal logic in mptcp_pm_nl_rm_addr Fix inverted WARN_ON_ONCE condition that prevented normal address removal counter updates. The current code only executes decrement logic when the counter is already 0 (abnormal state), while normal removals (counter > 0) are ignored.

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

Published

2025-12-16

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

References

• https://git.kernel.org/stable/c/92e239e36d600002559074994a545fcfac9afd2d
• https://git.kernel.org/stable/c/f7d953c38245c0e9d8e268fb6a9e524602fb44ec

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