CVE-2025-68221

linux: In the Linux kernel, the following vulnerability has been resolved: mptcp: fix address removal logic in mptcp_pm_nl_...

CVE-2025-68221 is fixed in linux on 1 platform by DEBIAN-CVE-2025-68221 (version 6.17.10-1), released December 16, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0021

10th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 14	6.17.10-1	DEBIAN-CVE-2025-68221	Dec 16, 2025

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