{"id":"CVE-2025-68221","summary":"mptcp: fix address removal logic in mptcp_pm_nl_rm_addr","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix address removal logic in mptcp_pm_nl_rm_addr\n\nFix inverted WARN_ON_ONCE condition that prevented normal address\nremoval counter updates. The current code only executes decrement\nlogic when the counter is already 0 (abnormal state), while\nnormal removals (counter \u003e 0) are ignored.","modified":"2026-05-18T05:58:20.555212309Z","published":"2025-12-16T13:57:14.836Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68221.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/92e239e36d600002559074994a545fcfac9afd2d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f7d953c38245c0e9d8e268fb6a9e524602fb44ec"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68221.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68221"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"63611391850850bf27f81afb0d0b6d1237a34006"},{"fixed":"f7d953c38245c0e9d8e268fb6a9e524602fb44ec"},{"fixed":"92e239e36d600002559074994a545fcfac9afd2d"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-68221.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.15.0"},{"fixed":"6.17.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-68221.json"}}],"schema_version":"1.7.5"}