--- a/fs/namei.c 2022-01-09 17:55:34.000000000 -0500 +++ b/fs/namei.c 2022-02-26 11:32:31.832844465 -0500 @@ -1020,10 +1020,10 @@ static inline void put_link(struct namei path_put(&last->link); } -int sysctl_protected_symlinks __read_mostly = 0; -int sysctl_protected_hardlinks __read_mostly = 0; -int sysctl_protected_fifos __read_mostly; -int sysctl_protected_regular __read_mostly; +int sysctl_protected_symlinks __read_mostly = 1; +int sysctl_protected_hardlinks __read_mostly = 1; +int sysctl_protected_fifos __read_mostly = 1; +int sysctl_protected_regular __read_mostly = 1; /** * may_follow_link - Check symlink following for unsafe situations