CVE-2025-68221

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux63611391850850bf27f81afb0d0b6d1237a34006 < f7d953c38245c0e9d8e268fb6a9e524602fb44ecaffected
LinuxLinux63611391850850bf27f81afb0d0b6d1237a34006 < 92e239e36d600002559074994a545fcfac9afd2daffected
LinuxLinux6.15affected
LinuxLinux0 < 6.15unaffected
LinuxLinux6.17.10 <= 6.17.*unaffected
LinuxLinux6.18 <= *unaffected

Weaknesses

References