CVE-2025-68221
Unknown
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 16, 2025
First seenDec 16, 2025
How to fix
Update
- Linux Linuxf7d953c38245c0e9d8e268fb6a9e524602fb44ec, 92e239e36d600002559074994a545fcfac9afd2d or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 63611391850850bf27f81afb0d0b6d1237a34006 ≤ v < f7d953c38245c0e9d8e268fb6a9e524602fb44ec, 63611391850850bf27f81afb0d0b6d1237a34006 ≤ v < 92e239e36d600002559074994a545fcfac9afd2d, 6.15 | f7d953c38245c0e9d8e268fb6a9e524602fb44ec, 92e239e36d600002559074994a545fcfac9afd2d |
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