{"id":"CVE-2025-68188","title":"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()->flags.","summary":"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()->flags.","severity":"none","published":"2025-12-16","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:10:00.187","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-68188","references":[{"url":"https://git.kernel.org/stable/c/06da08d9355bf8e2070459bbedbe372ccc02cc0e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b62a59c18b692f892dcb8109c1c2e653b2abc95c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bc2b881a0896c111c1041d8bb1f92a3b3873ace5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00199,"epssPercentile":0.08998,"ingestedAt":"2026-10-14T13:30:58.449Z","slug":"CVE-2025-68188","body":"## Overview\n\nIn 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()->flags.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}