Riskcovery

CVE-2025-68221

mptcp: fix address removal logic in mptcp_pm_nl_rm_addr

State
Published
Severity
Not scored
Published
Dec 16, 2025
Updated
May 11, 2026
Reserved
Dec 16, 2025

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 63611391850850bf27f81afb0d0b6d1237a34006 to before f7d953c38245c0e9d8e268fb6a9e524602fb44ecAffected
  • 63611391850850bf27f81afb0d0b6d1237a34006 to before 92e239e36d600002559074994a545fcfac9afd2dAffected
LinuxLinux
  • 6.15Affected
  • before 6.15Not affected
  • 6.17.10 through 6.17.*Not affected
  • 6.18 and laterNot affected

References

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