CVE-2025-40075

CVE-2025-40075 affects the Linux kernel’s tcp_metrics code. The fix replaces three dst_dev() calls with a lockdep-enabled helper, using dst_dev_net_rcu() to avoid unsafe RCU access. Reported CVSSv3.1 base score 8.1 (HIGH) with network attack vector and high impact on confidentiality, integrity, a...