{"id":"CVE-2025-68188","summary":"tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()\n\nUse RCU to avoid a pair of atomic operations and a potential\nUAF on dst_dev()-\u003eflags.","modified":"2026-04-02T13:03:23.965606Z","published":"2025-12-16T13:43:10.680Z","related":["SUSE-SU-2026:0447-1","SUSE-SU-2026:0472-1","SUSE-SU-2026:0473-1","SUSE-SU-2026:0587-1","SUSE-SU-2026:20477-1","SUSE-SU-2026:20498-1","SUSE-SU-2026:20555-1","SUSE-SU-2026:20599-1","SUSE-SU-2026:20615-1","SUSE-SU-2026:20845-1","SUSE-SU-2026:20876-1","openSUSE-SU-2026:20287-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68188.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/06da08d9355bf8e2070459bbedbe372ccc02cc0e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b62a59c18b692f892dcb8109c1c2e653b2abc95c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bc2b881a0896c111c1041d8bb1f92a3b3873ace5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68188.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68188"},{"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":"cf1ef3f0719b4dcb74810ed507e2a2540f9811b4"},{"fixed":"bc2b881a0896c111c1041d8bb1f92a3b3873ace5"},{"fixed":"06da08d9355bf8e2070459bbedbe372ccc02cc0e"},{"fixed":"b62a59c18b692f892dcb8109c1c2e653b2abc95c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68188.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.12.0"},{"fixed":"6.12.58"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.17.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68188.json"}}],"schema_version":"1.7.5"}