rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation
JIRA: https://issues.redhat.com/browse/RHEL-39715
CVE: CVE-2024-36017
Upstream Status: all mainline in net.git
Tested: boot-tested only
Conflicts: None
Signed-off-by: Davide Caratti dcaratti@redhat.com