CVE-2025-68221

Published: Dec 16, 2025

Modified: May 11, 2026

PUBLISHED

Description

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.

Vendor	Product	Versions
Linux	Linux	affected `63611391850850bf27f81afb0d0b6d1237a34006 - < f7d953c38245c0e9d8e268fb6a9e524602fb44ec` affected `63611391850850bf27f81afb0d0b6d1237a34006 - < 92e239e36d600002559074994a545fcfac9afd2d`
Linux	Linux	affected `6.15` unaffected `0 - < 6.15` unaffected `6.17.10 - <= 6.17.` unaffected `6.18 - <= `

References

https://git.kernel.org/stable/c/f7d953c38245c0e9d8e268fb6a9e524602fb44ec

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

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CVE-2025-68221

Description

Affected Products

References